Famous American Computer Scientists

Vote for Your Favourite American Computer Scientists

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 1 
Grace Hopper
(Computer Scientist, Mathematician and One of the First Programmers of the ‘Harvard Mark I’ Computer)
Grace Hopper
37
Birthdate: December 9, 1906
Sun Sign: Sagittarius
Birthplace: New York, New York, United States
Died: January 1, 1992
Grace Hopper was a pioneering American computer scientist, mathematician, and United States Navy rear admiral. She was instrumental in the development of computer programming, creating the FLOW-MATIC programming language and co-developing COBOL, still in use today. Hopper was one of the first programmers on the Harvard Mark I computer and later joined the Eckert–Mauchly Computer Corporation, contributing to the development of the UNIVAC I computer. She advocated for simplified programming through English-based languages and received numerous accolades for her groundbreaking work in the field.
 2 
Vint Cerf
(Computer scientist)
Vint Cerf
16
Birthdate: June 23, 1943
Sun Sign: Cancer
Birthplace: New Haven, Connecticut, United States
Vint Cerf is an American Internet pioneer known as one of "the fathers of the Internet," alongside Bob Kahn. He has made significant contributions to the development of TCP/IP protocols. Throughout his career, Cerf has been recognized with numerous prestigious awards, including the National Medal of Technology, the Turing Award, and the Presidential Medal of Freedom. He is also a recipient of the Marconi Prize and is a member of the National Academy of Engineering. Cerf's professional achievements have solidified his reputation as a key figure in the advancement of internet technology.
 3 
Claude Shannon
(Mathematician, Engineer & Cryptographer Known as a 'Father of Information Theory')
Claude Shannon
20
Birthdate: April 30, 1916
Sun Sign: Taurus
Birthplace: Petoskey, Michigan, United States
Died: February 24, 2001
Claude Shannon was an American mathematician, electrical engineer, computer scientist, and cryptographer. Known as the "father of information theory" and the "father of the Information Age," Shannon made groundbreaking contributions to various fields. He described Boolean gates essential to digital electronic circuits, laid the foundations of the Information Age, and revolutionized digital circuit design. His work in cryptanalysis and modern cryptography was pivotal for national defense. Shannon's mathematical theory of communication shaped information theory and influenced the development of artificial intelligence, making him a key figure in technological advancements.
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 4 
John McCarthy
(Mathematician, Computer scientist, Engineer, University teacher)
John McCarthy
13
Birthdate: September 4, 1927
Sun Sign: Virgo
Birthplace: Boston
Died: October 24, 2011
John McCarthy was an American computer scientist and cognitive scientist known for his foundational contributions to artificial intelligence. He played a key role in coining the term "artificial intelligence" and developing the programming language Lisp. McCarthy significantly impacted the design of the language ALGOL, popularized time-sharing, and pioneered the concept of garbage collection. He was recognized with prestigious awards such as the Turing Award for his significant contributions to AI and received accolades like the United States National Medal of Science and the Kyoto Prize during his tenure at Stanford University.
 5 
George Dantzig
(American Mathematical Scientist)
George Dantzig
7
Birthdate: November 8, 1914
Sun Sign: Scorpio
Birthplace: Portland, Oregon, United States
Died: May 13, 2005
George Dantzig was a prominent American mathematical scientist known for his significant contributions to industrial engineering, operations research, computer science, economics, and statistics. He is renowned for developing the simplex algorithm, a key method for solving linear programming problems, and for his pioneering work in linear programming. Dantzig also made notable contributions to statistics, solving important open problems in the field. At the time of his passing, he held distinguished positions as a Professor Emeritus of Transportation Sciences and Professor of Operations Research and Computer Science at Stanford University.
 6 
Shawn Fanning
(Computer scientist, Programmer)
Shawn Fanning
6
Birthdate: November 22, 1980
Sun Sign: Sagittarius
Birthplace: Brockton
Shawn Fanning is an American computer programmer, entrepreneur, and angel investor known for developing Napster, a pioneering peer-to-peer file sharing platform in 1999. Despite facing legal challenges leading to the shutdown of the free P2P service in 2001, Fanning continued to make notable contributions to the tech industry. He later invested in and joined various early-stage technology startup companies, showcasing his entrepreneurial spirit and commitment to innovation.
 7 
David Packard
(Entrepreneur, Engineer, Computer scientist)
David Packard
3
Birthdate: September 7, 1912
Sun Sign: Virgo
Birthplace: Pueblo
Died: March 26, 1996
David Packard was a prominent figure in the American business and technology sector, known for co-founding Hewlett-Packard with Bill Hewlett in 1939. He held various key roles within the company, including president, CEO, and chairman of the board. Additionally, Packard served as U.S. Deputy Secretary of Defense during the Nixon administration and played a significant role in the Uniformed Services University of the Health Sciences. He was recognized for his contributions with the Presidential Medal of Freedom and was involved in several philanthropic initiatives.
 8 
Ken Thompson
(Computer Scientist)
Ken Thompson
15
Birthdate: February 4, 1943
Sun Sign: Aquarius
Birthplace: New Orleans, Louisiana, United States
Ken Thompson is an American computer scientist known for his groundbreaking work at Bell Labs, where he played a key role in creating the Unix operating system. He also developed the B programming language, a precursor to C, and contributed to the Plan 9 operating system. At Google, Thompson co-created the Go language. His other notable achievements include advancements in regular expressions, text editors, UTF-8 encoding, computer chess, and winning the Turing Award with Dennis Ritchie in 1983 for their influential contributions to computing.
 9 
Ed Boon
(Programmer, Engineer, Screenwriter, Computer scientist)
Ed Boon
5
Birthdate: February 22, 1964
Sun Sign: Pisces
Birthplace: Chicago
Ed Boon is an accomplished American video game programmer, voice actor, and director with a career spanning over 15 years at Midway Games before joining Warner Bros. Interactive Entertainment and NetherRealm Studios. He is renowned for co-creating the highly successful Mortal Kombat series alongside John Tobias and the Injustice series. Boon's contributions to the gaming industry have earned him recognition as one of the top 100 game creators of all time by IGN in 2009. His innovative work continues to shape and influence the world of video games.
 10 
Marvin Minsky
(Mathematician, Computer scientist, University teacher)
Marvin Minsky
15
Birthdate: August 9, 1927
Sun Sign: Leo
Birthplace: New York City
Died: January 24, 2016
Marvin Minsky was an American cognitive and computer scientist known for his groundbreaking work in artificial intelligence (AI). He co-founded the AI laboratory at MIT and authored numerous influential texts on AI and philosophy. Minsky received recognition for his contributions, including the prestigious Turing Award in 1969. His research and innovations have had a lasting impact on the field of AI, earning him a reputation as a pioneering figure in the development of intelligent systems and cognitive science.
 11 
Ray Kurzweil
(Computer scientist and Futurist)
Ray Kurzweil
5
Birthdate: February 12, 1948
Sun Sign: Aquarius
Birthplace: New York City, New York, United States
Raymond Kurzweil is a prominent American computer scientist, author, entrepreneur, and inventor known for his contributions to technologies such as optical character recognition, speech synthesis, and speech recognition. He is a prolific writer on subjects including health technology, artificial intelligence, transhumanism, and futurism. Kurzweil is a leading advocate for the futurist and transhumanist movements, emphasizing life extension technologies and advancements in nanotechnology, robotics, and biotechnology. He has received numerous prestigious awards, including the National Medal of Technology and Innovation and the Lemelson–MIT Prize, for his innovative work in technology and human-machine communication.
 12 
Hilary Putnam
(Mathematician, Philosopher)
Hilary Putnam
3
Birthdate: July 31, 1926
Sun Sign: Leo
Birthplace: Chicago, Illinois, United States
Died: March 13, 2016
Hilary Whitehall Putnam was a prominent American philosopher, mathematician, and computer scientist known for his contributions to analytic philosophy in the 20th century. His work spanned various fields, including philosophy of mind, philosophy of language, philosophy of mathematics, and philosophy of science. Putnam co-developed important algorithms in mathematics and computer science. Throughout his career, he rigorously analyzed philosophical positions, leading to a reputation for changing his views. He delved into influential theories like functionalism and semantic externalism, while also exploring metaphysical and epistemological issues. Towards the end of his career, Putnam focused on American pragmatism, Jewish philosophy, ethics, and metaphilosophy.
 13 
Robert Metcalfe
(Computer scientist, Engineer)
Robert Metcalfe
3
Birthdate: April 7, 1946
Sun Sign: Aries
Birthplace: Brooklyn, New York, United States
Robert "Bob" Melancton Metcalfe is an American engineer and entrepreneur renowned for his contributions to the development of the internet. He is the co-inventor of Ethernet and co-founder of 3Com. Metcalfe formulated Metcalfe's law, which explains the impact of a telecommunications network. Despite some failed predictions, such as the demise of the internet in the 1990s, he has received prestigious awards like the IEEE Medal of Honor and the National Medal of Technology and Innovation. Metcalfe is also a recipient of the Turing Award and has served as a professor of innovation and entrepreneurship at the University of Texas at Austin.
 14 
Alan Kay
(Computer Scientist)
Alan Kay
16
Birthdate: May 17, 1940
Sun Sign: Taurus
Birthplace: Springfield, Massachusetts
Alan Kay is a prominent American computer scientist renowned for his groundbreaking contributions to object-oriented programming and graphical user interface design. He played a pivotal role in developing the first modern windowed computer desktop interface while at Xerox PARC. Kay led the creation of the influential object-oriented programming language Smalltalk and popularized the term "object-oriented." His achievements have been recognized through prestigious fellowships and awards, including being elected a Fellow of the American Academy of Arts and Sciences, the National Academy of Engineering, and receiving the prestigious Turing award in 2003.
 15 
Leslie Lamport
(Mathematician, Computer scientist, Programmer, Engineer, Writer)
Leslie Lamport
3
Birthdate: February 7, 1941
Sun Sign: Aquarius
Birthplace: New York City
Leslie B. Lamport is an American computer scientist and mathematician renowned for his pioneering work in distributed systems. He is best known for creating LaTeX, a widely used document preparation system, and for his significant contributions to imposing clarity on the complex interactions in distributed computing. Lamport's work includes developing algorithms and formal modeling techniques that enhance the correctness, performance, and reliability of computer systems. His achievements have greatly influenced the field, earning him the prestigious Turing Award in 2013.
 16 
Gary Kildall
(Computer scientist, Programmer, University teacher)
Gary Kildall
3
Birthdate: May 19, 1942
Sun Sign: Taurus
Birthplace: Seattle
Died: July 11, 1994
Gary Kildall was an American computer scientist and entrepreneur known for creating the CP/M operating system and founding Digital Research, Inc. He demonstrated the first working prototype of CP/M in 1974, along with inventing the BIOS. He was an early advocate for microprocessors as fully capable computers and organized a company around this idea. Kildall's contributions to the personal computer revolution are significant, and he is particularly remembered for his development of CP/M, which had parallels to MS-DOS used on the IBM PC.
 17 
Jef Raskin
(American Human–Computer Interface Expert Who Conceived and Initiated the Macintosh Project at Apple)
Jef Raskin
3
Birthdate: March 9, 1943
Sun Sign: Pisces
Birthplace: New York City, New York, United States
Died: February 26, 2005
Jef Raskin was an American human-computer interface expert known for his pivotal role in conceiving and leading the Macintosh project at Apple in the late 1970s. He played a significant part in shaping the design and user experience of the Macintosh computer, emphasizing simplicity and ease of use. Raskin's work revolutionized the field of human-computer interaction and had a lasting impact on the development of personal computing devices, influencing the design principles of many future products.
 18 
David Filo
(Entrepreneur, Businessperson, Merchant, Computer scientist)
David Filo
6
Birthdate: April 20, 1966
Sun Sign: Taurus
Birthplace: Wisconsin
David Filo is an American billionaire businessman known for co-founding Yahoo! alongside Jerry Yang. He developed the Filo Server Program in C programming language, which served as the server-side software for generating dynamic web pages on early versions of Yahoo! This innovation led to the creation of Filo Server Pages, enhancing the user experience on the platform. Filo's technical expertise and entrepreneurial spirit played a crucial role in the success and growth of Yahoo!, establishing him as a prominent figure in the tech industry.
 19 
James Gosling
(Programmer, Inventor, Computer scientist)
James Gosling
18
Birthdate: May 19, 1955
Sun Sign: Taurus
Birthplace: Calgary
James Gosling is a Canadian computer scientist famous for creating the Java programming language. He was honored as a member of the National Academy of Engineering in 2004 for his pioneering work in designing the architecture of Java and his contributions to window systems. Gosling's professional life is characterized by his innovative approach to programming languages and his significant impact on the development of Java, which has become a cornerstone in the world of software development.
 20 
Bill Hewlett
(Entrepreneur)
Bill Hewlett
2
Birthdate: May 20, 1913
Sun Sign: Taurus
Birthplace: Ann Arbor, Michigan, United States
Died: January 12, 2001
Bill Hewlett was an American engineer known for co-founding the Hewlett-Packard Company (HP) with David Packard. Together, they built HP into a leading technology company, known for its innovative products and strong corporate culture. Hewlett played a key role in developing HP's engineering and research capabilities, particularly in the areas of electronic testing and measurement equipment. He focused on fostering a collaborative work environment and promoting employee well-being, contributing to HP's reputation for excellence in technology and workplace practices.
 21 
Eric S. Raymond
(Software developer, Engineer, Programmer, Writer, Lawyer, Computer scientist, Journalist)
Eric S. Raymond
3
Birthdate: December 4, 1957
Sun Sign: Sagittarius
Birthplace: Boston
Eric S. Raymond, known as ESR, is an esteemed American software developer, open-source software advocate, and author. His notable works include the influential essay and book "The Cathedral and the Bazaar," and a guidebook for the Roguelike game NetHack. In the 1990s, he played a pivotal role in editing and updating the Jargon File, later published as "The New Hacker's Dictionary." Raymond's contributions have had a lasting impact on the software development community, particularly in the realm of open-source software.
 22 
Judea Pearl
(Computer Scientist)
Judea Pearl
6
Birthdate: September 4, 1936
Sun Sign: Virgo
Birthplace: Tel Aviv, Israel
Judea Pearl is an Israeli-American computer scientist and philosopher renowned for promoting the probabilistic approach to artificial intelligence and for his work on Bayesian networks. He is known for developing a theory of causal and counterfactual inference based on structural models. In 2011, he received the Turing Award from the ACM for his significant contributions to artificial intelligence through the creation of a calculus for probabilistic and causal reasoning. Pearl has authored various books, notably "Causality: Models, Reasoning and Inference" and "The Book of Why", which explains causality to a general audience.
 23 
Andrew S. Tanenbaum
(Computer scientist best known as the author of MINIX, a free Unix-like operating system for teaching purposes, created Electoral-vote.com)
Andrew S. Tanenbaum
3
Birthdate: March 16, 1944
Sun Sign: Pisces
Birthplace: New York, New York, United States
Andrew S. Tanenbaum is an American computer scientist and professor emeritus at the Vrije Universiteit Amsterdam in the Netherlands. He is known for creating MINIX, a Unix-like operating system used for educational purposes. Tanenbaum has authored several widely-used computer science textbooks and considers teaching as his primary focus. Additionally, he manages Electoral-vote.com, a website dedicated to analyzing polling data in US federal elections. His contributions to computer science education and research have solidified his reputation as a prominent figure in the field.
 24 
Dennis Ritchie
(American Computer Scientist Known for Creating the C Programming Language)
Dennis Ritchie
23
Birthdate: September 9, 1941
Sun Sign: Virgo
Birthplace: Bronxville, New York, United States
Died: October 12, 2011
Dennis MacAlistair Ritchie was a pioneering American computer scientist known for creating the C programming language and co-developing the Unix operating system and B language with Ken Thompson. Together, they received prestigious awards such as the Turing Award and the IEEE Richard W. Hamming Medal. Ritchie served as the head of Lucent Technologies System Software Research Department until his retirement in 2007. His contributions revolutionized the field of computer science and laid the foundation for modern computing systems.
 25 
Andy Rubin
(Computer programmer)
Andy Rubin
9
Birthdate: 1963 AD
Birthplace: Chappaqua, New York, United States
Andy Rubin is an American computer programmer, entrepreneur, and venture capitalist known for founding Android Inc. in 2003, which was later acquired by Google. He served as a Google vice president, leading the development of the Android operating system. Rubin left Google in 2014 amidst allegations of sexual misconduct. He then co-founded Playground Global and Essential Products, a mobile phone startup that closed in 2020. Rubin's involvement in the tech industry includes founding Danger Inc. before Android Inc. and being inducted into the Wireless Hall of Fame in 2019.
 26 
Robert Tappan Morris
(American Computer Scientist and Entrepreneur)
Robert Tappan Morris
3
Birthdate: November 8, 1965
Sun Sign: Scorpio
Birthplace: Massachusetts, United States
Robert Tappan Morris is an American computer scientist and entrepreneur known for creating the first computer worm on the Internet in 1988. He was prosecuted under the Computer Fraud and Abuse Act for releasing the worm. Morris went on to co-found the online store Viaweb and the venture capital firm Y Combinator with Paul Graham. He later joined the faculty at MIT, where he received tenure and was elected to the National Academy of Engineering in 2019.
 27 
Bill Joy
(Computer scientist, co-founded Sun Microsystems)
Bill Joy
3
Birthdate: November 8, 1954
Sun Sign: Scorpio
Birthplace: Farmington Hills, Michigan, United States
Bill Joy is an American computer engineer and venture capitalist known for co-founding Sun Microsystems in 1982. He served as Chief Scientist and CTO at the company until 2003. Joy played a significant role in the early development of BSD UNIX and authored the vi text editor. He also expressed concerns about modern technologies in his essay "Why The Future Doesn't Need Us." Joy's contributions to operating systems and networking software led to his election as a member of the National Academy of Engineering in 1999.
 28 
Fei-Fei Li
(Computer scientist)
Fei-Fei Li
3
Birthdate: 1976 AD
Birthplace: Beijing
Fei-Fei Li is a prominent Chinese-American computer scientist known for her groundbreaking work in computer vision. She is the Sequoia Capital professor of computer science at Stanford University and a former board director at Twitter. Li co-founded AI4ALL, a nonprofit organization focused on increasing diversity in artificial intelligence. Her research spans artificial intelligence, machine learning, deep learning, computer vision, and cognitive neuroscience. Li has received numerous prestigious awards and recognitions for her contributions to the field, including being named in the Time 100 AI Most Influential People list and being appointed to the United Nations Scientific Advisory Board.
 29 
Chris Metzen
(Artist, Comics artist, Novelist, Writer, Screenwriter, Voice actor, Visual artist, Author, Computer scientist, Science fiction writer)
Chris Metzen
3
Birthdate: November 22, 1973
Sun Sign: Sagittarius
Birthplace: United States of America
Christopher Vincent Metzen is an American game designer, artist, voice actor, and author acclaimed for his contributions to Blizzard Entertainment's iconic franchises: Warcraft, Diablo, and StarCraft. He began his career as an animator and artist at Blizzard, eventually becoming the Senior Vice President of Story and Franchise Development. Metzen provided voice talent for notable characters like Thrall and played a key role in character design. After retiring in 2016, he returned as a creative advisor and was appointed executive creative director of Warcraft in 2023. Additionally, he co-authored graphic novels in collaboration with other talented creators.
 30 
Ward Cunningham
(Programmer, Computer scientist)
Ward Cunningham
3
Birthdate: May 26, 1949
Sun Sign: Gemini
Birthplace: United States of America
Ward Cunningham is an American computer programmer renowned for developing the first wiki and co-authoring the Manifesto for Agile Software Development. A pioneer in design patterns and extreme programming, he created the WikiWikiWeb in 1994 and introduced it to his consultancy's website in 1995. Cunningham co-authored "The Wiki Way" with Bo Leuf and invented the Framework for Integrated Test. He has been a keynote speaker at various wiki conferences and summits, contributing significantly to the advancement of software development practices.
 31 
Andy Hertzfeld
(Computer scientist, Engineer, Programmer)
Andy Hertzfeld
5
Birthdate: April 6, 1953
Sun Sign: Aries
Birthplace: Philadelphia
Andy Hertzfeld is an accomplished American software engineer known for his significant contributions to the technology industry. He played a crucial role in the development of the Macintosh system software at Apple Computer during the 1980s. Following his tenure at Apple, he co-founded several successful companies, including Radius, General Magic, and Eazel. Hertzfeld later collaborated with Mitch Kapor to advocate for open source software. His tenure at Google from 2005 to 2013 saw him designing the Circles user interface for Google+.
 32 
Ivan Sutherland
(Computer scientist)
Ivan Sutherland
4
Birthdate: May 16, 1938
Sun Sign: Taurus
Birthplace: Hastings, Nebraska, United States
Ivan Sutherland is an American computer scientist and Internet pioneer known for his pioneering work in computer graphics. Alongside David C. Evans, he taught computer graphics at the University of Utah in the 1970s, making significant contributions to the field. Sutherland and his students laid the foundation for modern computer graphics and he received the Turing Award in 1988 for inventing Sketchpad, an early graphical user interface. He is a member of prestigious organizations and has received numerous awards for his groundbreaking work in computer graphics and interactive interfaces.
 33 
Story Musgrave
(US Physician and NASA Astronaut Who Became the 2nd Person to Make 6 Space Flights)
Story Musgrave
5
Birthdate: August 19, 1935
Sun Sign: Leo
Birthplace: Boston
Story Musgrave is an accomplished American physician and NASA astronaut with a remarkable career. He has flown on six spaceflights, making him the second astronaut to achieve this feat. With six academic degrees, Musgrave is the most formally educated astronaut. He has served as a public speaker and consultant to prestigious organizations such as Disney's Imagineering group and Applied Minds in California. Notably, he is the only astronaut to have flown aboard all five Space Shuttles, showcasing his extensive experience and expertise in space exploration.
 34 
Nick Szabo
(Computer scientist)
Nick Szabo
5
Birthdate: 1970 AD
Birthplace: america
Nick Szabo is a versatile professional with expertise in computer science, law, and cryptography. He is renowned for his groundbreaking work in the development of smart contracts and digital currency. Szabo's research has significantly contributed to the advancement of blockchain technology and decentralized systems. His innovative ideas have shaped the way we perceive and utilize digital transactions, making him a prominent figure in the field of cryptocurrency. Szabo's multidisciplinary background and intellectual pursuits have established him as a leading authority in the intersection of technology and law.
 35 
Edmund McMillen
(Video game developer, Computer scientist)
Edmund McMillen
3
Birthdate: March 2, 1980
Sun Sign: Pisces
Birthplace: Santa Cruz
Edmund McMillen is a renowned American video game designer and artist recognized for his distinctive visual styles in Adobe Flash games. He gained prominence through creations like the side-scroller Super Meat Boy released in 2010, the roguelike game The Binding of Isaac from 2011, and its subsequent 2014 remake The Binding of Isaac: Rebirth. McMillen's professional journey showcases a commitment to innovative game design, pushing boundaries in the industry with his unique artistic vision and engaging gameplay experiences.
 36 
Whitfield Diffie
(Cryptographer and one of the pioneers of public-key cryptography along with Martin Hellman and Ralph Merkle)
Whitfield Diffie
2
Birthdate: June 5, 1944
Sun Sign: Gemini
Birthplace: Washington, D.C., United States
Whitfield Diffie is an influential American cryptographer and mathematician known for his pioneering work in public-key cryptography. Alongside Martin Hellman and Ralph Merkle, he introduced the groundbreaking Diffie-Hellman key exchange method in 1976, revolutionizing cryptographic key distribution. Diffie had a distinguished career at Sun Microsystems as a Sun Fellow before serving as Vice President for Information Security and Cryptography at the Internet Corporation for Assigned Names and Numbers. He also held roles as a visiting scholar and affiliate at Stanford University's Center for International Security and Cooperation, where he currently works as a consulting scholar.
 37 
Hans Reiser
(Programmer, Entrepreneur, Computer scientist, Homicide)
Hans Reiser
3
Birthdate: December 19, 1963
Sun Sign: Sagittarius
Birthplace: California
Hans Thomas Reiser is an American computer programmer and entrepreneur known for creating the ReiserFS computer file system and founding Namesys in 2004 to oversee the development of ReiserFS and its successor, Reiser4. Despite his professional accomplishments, Reiser's career was overshadowed by his conviction for the murder of his wife, Nina Reiser, in 2008. His contributions to the Linux kernel with ReiserFS have been significant, although the file system is set to be phased out by 2025.
 38 
Daniel Kottke
(Computer scientist, Engineer)
Daniel Kottke
3
Birthdate: April 4, 1954
Sun Sign: Aries
Birthplace: Bronxville
Daniel Kottke is an American businessman known for his association with Apple Inc. He became friends with Steve Jobs at Reed College in 1972 and later joined Apple as one of its first employees. Kottke's interest in computers led him to work on various projects at Apple, including debugging the Apple II family and prototyping the Apple III and Macintosh. He also played a role in the company's IPO and was portrayed in films about Apple's history.
 39 
Daniel J. Bernstein
(Mathematician, Cryptologist, Programmer, University teacher, Computer scientist)
Daniel J. Bernstein
2
Birthdate: October 29, 1971
Sun Sign: Scorpio
Birthplace: East Patchogue
Daniel J. Bernstein is an accomplished American mathematician, cryptologist, and computer scientist. He currently holds positions as a visiting professor at CASA at Ruhr University Bochum and as a research professor of Computer Science at the University of Illinois at Chicago. His past experiences include serving as a visiting professor at the Eindhoven University of Technology. Bernstein is well-regarded in the field for his contributions to cryptography and computer science, making significant advancements in various areas of study.
 40 
James H. Clark
(Computer scientist)
James H. Clark
5
Birthdate: March 23, 1944
Sun Sign: Aries
Birthplace: Plainview, Texas, United States
James H. Clark is an influential American entrepreneur and computer scientist known for founding prominent Silicon Valley technology companies such as Silicon Graphics, Netscape, myCFO, and Healtheon. His pioneering research in computer graphics revolutionized the field and contributed to the development of systems for rapid rendering of three-dimensional images. In recognition of his significant contributions, Clark was elected as a member of the National Academy of Engineering in 1998 for his work in computer graphics and technical leadership within the computer industry.
 41 
Edwin Catmull
(Computer scientist, Engineer)
Edwin Catmull
3
Birthdate: March 31, 1945
Sun Sign: Aries
Birthplace: Parkersburg
Edwin Catmull is an American computer scientist and animator known for co-founding Pixar and serving as President of Walt Disney Animation Studios. He has made significant contributions to 3D computer graphics, earning recognition such as the 2019 ACM Turing Award. Catmull's expertise has been pivotal in the success of both Pixar and Disney Animation, influencing the development of groundbreaking animated films. His visionary leadership and technical innovation have left a lasting impact on the animation industry, inspiring countless creators worldwide.
 42 
Lawrence Lessig
(Jurist, Activist, Lawyer, Non-fiction writer, Computer scientist, Politician, Professor)
Lawrence Lessig
12
Birthdate: June 3, 1961
Sun Sign: Gemini
Birthplace: Rapid City
Lawrence Lessig is an American legal scholar and political activist known for his work as the Roy L. Furman Professor of Law at Harvard Law School and former director of the Edmond J. Safra Center for Ethics at Harvard University. He is the founder of Creative Commons, a non-profit organization dedicated to expanding the range of creative works available for others to build upon legally and to share. Lessig also founded Equal Citizens, a non-profit focused on campaign finance reform. In 2016, he ran for the Democratic Party's presidential nomination.
 43 
Lynn Conway
(Transgender Activist & Computer Scientist Who Initiated The Mead-Conway VLSI Chip Design Revolution)
Lynn Conway
2
Birthdate: January 2, 1938
Sun Sign: Capricorn
Birthplace: Mount Vernon, New York, United States
Lynn Conway was an American computer scientist and electrical engineer known for her groundbreaking contributions to computer processor design and VLSI chip design. She invented generalized dynamic instruction handling at IBM in the 1960s before being fired due to her intention to undergo a gender transition. After restarting her career at Xerox PARC in 1973, she led the "LSI Systems" group and played a key role in the Mead–Conway VLSI chip design revolution. Conway later became a prominent transgender activist and received an apology from IBM in 2020.
 44 
Sandra Lerner
(Businessperson)
Sandra Lerner
3
Birthdate: 1955 AD
Birthplace: America
Sandra Lerner is an American businesswoman and philanthropist known for co-founding Cisco Systems. Following the sale of Cisco, she redirected her focus towards animal welfare and women's writing. Lerner's notable project, Chawton House, is located in England, but the majority of her philanthropic work is concentrated in the United States. She has made significant contributions within these areas, demonstrating a commitment to supporting causes that are important to her.
 45 
Richard Hamming
(Contributions Include the Hamming Code, The Hamming Window & Hamming Numbers)
Richard Hamming
3
Birthdate: February 11, 1915
Sun Sign: Aquarius
Birthplace: Chicago, Illinois, United States
Died: January 7, 1998
Richard Wesley Hamming was an influential American mathematician known for his significant contributions to computer engineering and telecommunications. He pioneered concepts such as the Hamming code, Hamming window, Hamming numbers, sphere-packing, Hamming graph, and the Hamming distance. He worked at the Los Alamos Laboratory on the Manhattan Project before joining Bell Telephone Laboratories, where he played a key role in various achievements. Hamming received the Turing Award in 1968 and later worked as a professor at the Naval Postgraduate School.
 46 
Barbara Liskov
(Computer scientist)
Barbara Liskov
5
Birthdate: November 7, 1939
Sun Sign: Scorpio
Birthplace: Los Angeles, California, United States
Barbara Liskov is an influential American computer scientist known for her groundbreaking contributions to programming languages and distributed computing. She is credited with introducing abstract data types and the concept of data abstraction, as well as the Liskov substitution principle which has had a significant impact on object-oriented programming, subtyping, and inheritance. Her remarkable work earned her the prestigious Turing Award in 2008. Liskov holds the distinction of being among the earliest women to earn a doctorate in computer science in the U.S. and the second woman to receive the Turing award. Currently, she serves as an Institute Professor and Ford Professor of Engineering at the Massachusetts Institute of Technology.
 47 
Federico Faggin
(Italian Physicist and Entrepreneur Best Known for Designing the First Commercial Microprocessor 'The Intel 4004')
Federico Faggin
2
Birthdate: December 1, 1941
Sun Sign: Sagittarius
Birthplace: Vicenza, Italy
Federico Faggin is a prominent Italian-American physicist, engineer, inventor, and entrepreneur best known for designing the first commercial microprocessor, the Intel 4004. He led the development of several key microprocessors, including the Intel 8008 and 8080, as well as the Zilog Z80 and Z8 processors. Faggin also played a crucial role in the advancement of MOS silicon-gate technology, which enabled the creation of various semiconductor devices. Throughout his career, he has received prestigious awards and founded foundations to support scientific research in consciousness and physics.
 48 
Leonard Kleinrock
(Computer Scientist Who Developed the Mathematical Theory of Data Networks)
Leonard Kleinrock
2
Birthdate: June 13, 1934
Sun Sign: Gemini
Birthplace: New York City, New York, United States
Leonard Kleinrock is an American computer scientist and Internet pioneer known for his significant contributions to computer science, particularly in the mathematical foundations of data communication in computer networking. He is a Distinguished Professor Emeritus of Computer Science at UCLA and has received numerous prestigious awards for his work. Kleinrock pioneered the application of queueing theory to model delays in message switching networks and played a key role in the development of the ARPANET. His research on packet switching networks and hierarchical routing has had a lasting impact on the Internet's technology and operation.
 49 
Daphne Koller
(computer scientist, engineer)
Daphne Koller
4
Birthdate: August 27, 1968
Sun Sign: Virgo
Birthplace: Jerusalem
Daphne Koller is an Israeli-American computer scientist known for her work in artificial intelligence and its applications in the biomedical sciences. She was a professor at Stanford University and a recipient of the MacArthur Foundation fellowship. Koller is one of the founders of Coursera, an online education platform, and has been featured in articles discussing Bayesian machine learning. Her professional life is characterized by significant contributions to the fields of computer science and online education, particularly in the realm of artificial intelligence research.
 50 
Mark Adler
(Mathematician, Physicist, Computer scientist)
Mark Adler
2
Birthdate: April 3, 1959
Sun Sign: Aries
Birthplace: Miami
Mark Adler is an accomplished American software engineer recognized for his expertise in data compression. He is renowned for his contributions to the field, particularly as the creator of the Adler-32 checksum function. Alongside Jean-loup Gailly, he co-authored the widely used zlib compression library and gzip. He has played a significant role in projects such as Info-ZIP and the development of the Portable Network Graphics (PNG) image format. Additionally, Adler served as the Spirit Cruise Mission Manager for the Mars Exploration Rover mission, showcasing his diverse professional capabilities.
 51 
Radia Perlman
(Computer Network Engineer)
Radia Perlman
2
Birthdate: December 18, 1951
Sun Sign: Sagittarius
Birthplace: Portsmouth, Virginia, United States
Radia Perlman is an American computer programmer and network engineer renowned for her groundbreaking contributions to internet technology. Best known for inventing the Spanning Tree Protocol (STP) while at Digital Equipment Corporation, she earned the moniker "Mother of the Internet." Perlman's work has revolutionized network design, enabling self-organization and efficient data transfer. Recognized for her expertise, she holds numerous patents and has been honored with awards such as election to the Internet Hall of Fame and the National Inventors Hall of Fame. Additionally, her invention of the TRILL protocol further advanced Ethernet technology.
 52 
Harry Nyquist
(Physicist, Computer scientist, Engineer, Statistician, Mathematician)
Harry Nyquist
2
Birthdate: February 7, 1889
Sun Sign: Aquarius
Birthplace: Kil Municipality
Died: April 4, 1976
Harry Nyquist was a renowned Swedish-American physicist and electronic engineer known for his significant contributions to communication theory. His professional life was marked by pioneering work in the field of signal processing, particularly in the areas of sampling theory and data transmission. Nyquist's research laid the foundation for modern digital communications and he is best known for the Nyquist–Shannon sampling theorem, which has had a profound impact on various technological advancements in telecommunications and information theory.
 53 
Vernor Vinge
(Computer scientist)
Vernor Vinge
3
Birthdate: October 2, 1944
Sun Sign: Libra
Birthplace: Waukesha, Wisconsin, US
Vernor Vinge was an influential American science fiction author and professor known for his contributions to the genre. He taught mathematics and computer science at San Diego State University. Vinge was a pioneering figure in popularizing the concept of the technological singularity and introducing the fictional idea of "cyberspace." He was honored with multiple Hugo Awards for his acclaimed novels and novellas, including A Fire Upon the Deep, A Deepness in the Sky, Rainbows End, Fast Times at Fairmont High, and The Cookie Monster.
 54 
Matt Mullenweg
(American Entrepreneur and Web Developer)
Matt Mullenweg
3
Birthdate: January 11, 1984
Sun Sign: Capricorn
Birthplace: Houston, Texas, United States
Matt Mullenweg is a prominent American entrepreneur and web developer renowned for creating WordPress, one of the most popular content management systems globally. He is also the founder of Automattic, a company that offers a range of products and services related to WordPress. Mullenweg's contributions to the tech industry have revolutionized website creation and management, empowering countless individuals and businesses to establish an online presence easily and effectively. His innovative vision and leadership have solidified his reputation as a key figure in the digital landscape.
 55 
Peter Norton
(Art collector, Programmer, Computer scientist)
Peter Norton
3
Birthdate: November 14, 1943
Sun Sign: Scorpio
Birthplace: Aberdeen
Peter Norton is an accomplished American programmer, software publisher, author, and philanthropist. He founded Peter Norton Computing in 1982, where he developed pioneering IBM PC compatible utilities software. Norton's software business was later sold to Symantec Corporation in 1990. Throughout his career, he authored computer books and developed programs that bore his name and portrait. Norton has been actively involved in various philanthropic endeavors, chaired Acorn Technologies and eChinaCash, and donated art to museums and universities.
 56 
Seymour Cray
(Engineer, Computer scientist)
Seymour Cray
3
Birthdate: September 28, 1925
Sun Sign: Libra
Birthplace: Chippewa Falls
Died: October 5, 1996
Seymour Cray was an influential American electrical engineer and supercomputer architect known as the father of supercomputing. He designed a series of supercomputers that held the title of the world's fastest for many years. Cray founded Cray Research, a company that built these cutting-edge machines. His innovative work revolutionized the high-performance computing industry, with his visionary ideas shaping the capabilities of supercomputers. Colleagues and industry experts have praised Cray's impact and likened him to legendary inventors like Thomas Edison for his groundbreaking contributions.
 57 
Fred Brooks
(Mathematician, Computer scientist, Engineer, University teacher)
Fred Brooks
2
Birthdate: April 19, 1931
Sun Sign: Aries
Birthplace: Durham
Fred Brooks was an influential American computer architect, software engineer, and computer scientist renowned for his management of IBM's System/360 mainframe computers and OS/360 software support package. His experiences in this role were documented in the widely acclaimed book, The Mythical Man-Month. Brooks was elected to the National Academy of Engineering in 1976 for his contributions to computer system design and academic programs in computer sciences. He was also honored with prestigious awards such as the National Medal of Technology in 1985 and the Turing Award in 1999.
 58 
Alan Cooper
(Computer scientist, Writer)
Alan Cooper
2
Birthdate: June 3, 1952
Sun Sign: Gemini
Birthplace: San Francisco
Alan Cooper is an influential American software designer and programmer known as the "Father of Visual Basic." He founded Cooper, a prominent interaction design consultancy, where he developed the Goal-Directed design methodology and popularized the use of personas in creating high-tech products. Cooper authored notable books on interaction design and software usability, such as About Face and The Inmates Are Running the Asylum. His groundbreaking work in establishing the field of interaction design and inventing the visual development environment in Visual BASIC earned him induction into the Computer History Museum's Hall of Fellows.
 59 
Ron Rivest
(Cryptographer)
Ron Rivest
2
Birthdate: May 6, 1947
Sun Sign: Taurus
Birthplace: Schenectady, New York, United States
Ronald Linn Rivest is a renowned cryptographer and computer scientist with expertise in algorithms, combinatorics, cryptography, machine learning, and election integrity. As an Institute Professor at MIT, he is affiliated with the Department of Electrical Engineering and Computer Science and the Computer Science and Artificial Intelligence Laboratory. Rivest, along with Adi Shamir and Len Adleman, is credited with inventing the RSA algorithm and has also pioneered several symmetric key encryption algorithms including RC2, RC4, and RC5. His contributions extend to cryptographic hash functions such as MD2, MD4, MD5, and MD6.
 60 
Martin Hellman
(American Cryptologist and Mathematician)
Martin Hellman
2
Birthdate: October 2, 1945
Sun Sign: Libra
Birthplace: New York, United States
Martin Hellman is an American cryptologist and mathematician renowned for co-inventing public-key cryptography with Whitfield Diffie and Ralph Merkle. He is a notable figure in the computer privacy discourse and has applied risk analysis to nuclear deterrence. Hellman was elected to the National Academy of Engineering in 2002 for his contributions to the theory and practice of cryptography. In 2016, he co-authored a book with his wife, Dorothie Hellman, focusing on the connection between fostering love at home and promoting global peace.
 61 
Avie Tevanian
(Computer scientist)
Avie Tevanian
2
Birthdate: 1961 AD
Birthplace: Westbrook, Maine, United States
Avie Tevanian is an influential American-Armenian software engineer known for his pivotal role in the development of operating systems. While at Carnegie Mellon University, he was instrumental in designing the Mach operating system, later serving as the senior vice president of software engineering at Apple. Tevanian's work at NeXT Inc. laid the foundation for NeXTSTEP, which eventually evolved into macOS. His close relationship with Steve Jobs and expertise in operating system design have left a lasting impact, with Apple's macOS, iOS, iPadOS, watchOS, and tvOS all incorporating elements of his innovative work.
 62 
Seymour Papert
(South African-Born American Mathematician and Computer Scientist Who Co-Invented Logo)
Seymour Papert
4
Birthdate: February 29, 1928
Sun Sign: Pisces
Birthplace: Pretoria
Died: July 31, 2016
Seymour Papert was a prominent figure in the fields of mathematics, computer science, and education. He dedicated much of his career to teaching and research at MIT, where he contributed significantly to the development of artificial intelligence. Papert was a key figure in the constructionist movement in education and co-invented the Logo programming language with Wally Feurzeig and Cynthia Solomon. His work and influence as a pioneer in artificial intelligence and educational technology continue to impact these fields today.
 63 
Thomas J. Watson
(Entrepreneur)
Thomas J. Watson
3
Birthdate: February 17, 1874
Sun Sign: Aquarius
Birthplace: Campbell, New York, United States
Died: June 19, 1956
Thomas J. Watson Sr. was a prominent American businessman known for his role as the chairman and CEO of IBM. He led the company's expansion into a global powerhouse from 1914 to 1956, developing IBM's management style and corporate culture. Watson transformed IBM into a successful sales organization, particularly through the innovation of punched card tabulating machines. Notably, he authorized IBM's collaboration with Nazi Germany before and during World War II, contributing to the company's financial success. Watson was a highly successful industrialist and among the wealthiest individuals of his era.
 64 
Leonard Adleman
(American Computer Scientist Who is One of the Creators of 'RSA' Encryption Algorithm)
Leonard Adleman
2
Birthdate: December 31, 1945
Sun Sign: Capricorn
Birthplace: San Francisco, California, United States
Leonard Adleman is an accomplished American computer scientist recognized for his pioneering work in cryptography and DNA computing. He is renowned for co-creating the RSA encryption algorithm, a groundbreaking advancement in secure communication technology, which earned him the prestigious Turing Award in 2002. Adleman is also credited with establishing the field of DNA computing, demonstrating the potential of using biological molecules for computational purposes. His innovative contributions have significantly impacted the fields of computer science and cryptography, solidifying his reputation as a trailblazing researcher.
 65 
Jim Gray
(Computer scientist)
Jim Gray
4
Birthdate: January 12, 1944
Sun Sign: Capricorn
Birthplace: San Francisco, California, United States
Died: January 28, 2012
Jim Gray was an American computer scientist recognized for his significant contributions to database and transaction processing research. He was awarded the prestigious Turing Award in 1998 for his groundbreaking work in the field. Gray was known for his technical leadership in implementing systems that revolutionized the way data is stored and managed. His expertise and innovation had a profound impact on the development of database technologies, solidifying his reputation as a pioneering figure in the world of computer science.
 66 
Randall Munroe
(Programmer, Comics artist, Writer, Computer scientist, Physicist)
Randall Munroe
3
Birthdate: October 17, 1984
Sun Sign: Libra
Birthplace: Easton
Randall Munroe is a versatile professional known for his work as a cartoonist, author, and engineer. He gained prominence as the creator of the popular webcomic xkcd, which he has been dedicated to since 2006. Munroe has published a book compiling xkcd comic strips and written several other books, including What If?, Thing Explainer, How To, and What If? 2. His contributions to the fields of humor, science, and technology have garnered him a wide audience and critical acclaim.
 67 
John Resig
(American Software Engineer and Entrepreneur)
John Resig
2
Birthdate: May 8, 1984
Sun Sign: Taurus
Birthplace: Boston, Massachusetts, United States
John Resig is an accomplished American software engineer and entrepreneur renowned for creating and spearheading the development of the jQuery JavaScript library. In his current role as the chief software architect at Khan Academy, he continues to make significant contributions to the field of technology. With a strong background in software development and a proven track record of innovation, Resig plays a crucial role in shaping the technological landscape and pushing boundaries in the industry.
 68 
Peter Shor
(Mathematician, Computer scientist, University teacher)
Peter Shor
2
Birthdate: August 14, 1959
Sun Sign: Leo
Birthplace: New York City
Peter Shor is an American professor of applied mathematics at MIT, renowned for his groundbreaking contributions in the field of quantum computation. His most notable achievement is the development of Shor's algorithm, a quantum algorithm that revolutionized the field by enabling exponentially faster factoring compared to classical algorithms. Shor's expertise and innovative research have significantly advanced the understanding and application of quantum computing, solidifying his reputation as a leading figure in the field.
 69 
Grady Booch
(Computer scientist, Engineer)
Grady Booch
2
Birthdate: February 27, 1955
Sun Sign: Pisces
Birthplace: Amarillo
Grady Booch is a renowned American software engineer celebrated for co-creating the Unified Modeling Language (UML) alongside Ivar Jacobson and James Rumbaugh. His professional life is marked by pioneering contributions to software architecture, software engineering, and collaborative development environments. Booch has achieved international recognition for his innovative work in the field, showcasing his expertise and leadership in advancing software practices. Through his notable achievements and groundbreaking solutions, he has solidified his reputation as a leading figure in the software engineering community.
 70 
Peter Norvig
(Computer scientist)
Peter Norvig
2
Birthdate: December 14, 1956
Sun Sign: Sagittarius
Birthplace: United States of America
Peter Norvig is an American computer scientist known for his significant contributions to the field of artificial intelligence. He currently holds the position of Distinguished Education Fellow at the Stanford Institute for Human-Centered AI. Prior to this, Norvig worked at Google as the director of research and search quality. He is widely recognized as the co-author, along with Stuart J. Russell, of the highly acclaimed textbook "Artificial Intelligence: A Modern Approach," which is utilized in over 1,500 universities across 135 countries.
 71 
John Backus
(Computer scientist)
John Backus
4
Birthdate: December 3, 1924
Sun Sign: Sagittarius
Birthplace: Philadelphia, Pennsylvania, United States
Died: March 17, 2007
John Backus was an American computer scientist known for leading the team that developed FORTRAN, the first widely used high-level programming language. He also invented the Backus-Naur form (BNF), a notation for defining formal language syntaxes. Through his research, he explored function-level programming paradigms and delivered influential lectures on programming methodologies. Backus received prestigious awards, including the W. W. McDowell Award and the Turing Award, for his significant contributions to practical high-level programming systems. He continued to make lasting impacts on the field until his retirement in 1991.
 72 
Danny Hillis
(American Inventor, Entrepreneur and Computer Scientist)
Danny Hillis
2
Birthdate: September 25, 1956
Sun Sign: Libra
Birthplace: Baltimore, Maryland, United States
Danny Hillis is an American inventor, entrepreneur, and computer scientist known for pioneering parallel computers and their application in artificial intelligence. He founded Thinking Machines Corporation, a leading parallel supercomputer manufacturer, and served as Vice President of Research and Disney Fellow at Walt Disney Imagineering. Hillis was elected to the National Academy of Engineering in 2001 for his contributions to parallel computers, software, and storage. He later co-founded Applied Minds and Applied Invention, leading interdisciplinary teams of engineers, scientists, and artists in innovative projects.
 73 
Jaron Lanier
(Computer scientist, Composer)
Jaron Lanier
34
Birthdate: May 3, 1960
Sun Sign: Taurus
Birthplace: New York, New York, United States
Jaron Zepel Lanier is an American computer scientist, visual artist, computer philosophy writer, technologist, futurist, and composer of contemporary classical music. He is considered a founder of the field of virtual reality, having co-founded VPL Research, Inc., the first company to sell VR goggles and wired gloves. Throughout his career, Lanier has worked on applications for Internet2, been a visiting scholar at Silicon Graphics and various universities, and held positions at Microsoft, including as an Interdisciplinary Scientist at Microsoft Research. He is also known for composing contemporary classical music and collaborating on soundtracks for documentary films. Lanier has been recognized for his influence and intellectual contributions by various publications, including Foreign Policy, TIME, Prospect, and Wired.
 74 
J. C. R. Licklider
(Psychologist)
J. C. R. Licklider
2
Birthdate: March 11, 1915
Sun Sign: Pisces
Birthplace: St. Louis, Missouri, United States
Died: June 26, 1990
J.C.R. Licklider was an influential American psychologist and computer scientist credited with shaping the field of computer science. He was a pioneer in foreseeing the potential of interactive computing and global computer networks. Licklider's funding of research led to crucial advancements in computing technology, such as the development of graphical user interfaces and the ARPANET, a precursor to the Internet. His visionary ideas laid the foundation for modern computing and inspired generations of technologists to push the boundaries of innovation.
 75 
Joseph Weizenbaum
(Computer Scientist)
Joseph Weizenbaum
2
Birthdate: January 8, 1923
Sun Sign: Capricorn
Birthplace: Berlin, Germany
Died: March 5, 2008
Joseph Weizenbaum was a prominent German American computer scientist and professor at MIT known for his contributions to artificial intelligence and computer science. He gained recognition for creating the ELIZA computer program, which simulated conversation and highlighted the limitations of AI. Weizenbaum's work focused on the ethical implications of technology, advocating for responsible use of AI. The Weizenbaum Award and the Weizenbaum Institute were established in his honor, underscoring his lasting impact on the field of computer science.