Vladimir Lenin played a key role in the history of Russian politics by developing a political ideology called Leninism. During and after his lifetime, Lenin had a massive influence over international communist movement. He is widely regarded as one of the most influential and significant personalities of the 20th century.
Maria Montessori was an Italian educator and physician best known for developing the Montessori method of education, a student-friendly method, which is being used in several public and private schools around the world. In 2020, she was nominated by Time magazine as one of their Top 100 Women of the year.
Alfred Adler was an Austrian psychotherapist and medical doctor. He is credited with founding the school of individual psychology. He was also one of the founders of the psychoanalytic movement along with Sigmund Freud and Freud's colleagues. In 2002, a survey conducted by Review of General Psychology named Adler among the 20th century's most eminent psychologists.
Alfred Douglas was an English journalist and poet best remembered as one of the lovers of famous Irish poet Oscar Wilde. Douglas played an important role in Wilde's imprisonment for homosexuality. Alfred Douglas' father John Sholto Douglas abhorred his son's relationship with the Irish poet and publicly accused the latter of homosexuality, which was illegal at that time.
Jan Smuts was a South African military leader, statesman, and philosopher. He played a key role in the formation of the Union of South Africa and helped shape its constitution. From 1919 to 1924 and again from 1939 to 1948, he served as the Union of South Africa's prime minister. He played a major role in establishing the United Nations.
The daughter of German emperor Frederick III, Princess Sophia of Prussia was also one of the granddaughters of Queen Victoria through her mother. She later became the queen consort of the Hellenes by her marriage to King Constantine I of Greece. Following the National Schism, she spent her life in exile.
Ivan Bunin was a Russian writer whose stories and poems are regarded as one of the richest collection of works in the Russian language. In 1933, Ivan Bunin became the first Russian writer to be honored with the prestigious Nobel Prize for Literature. Subsequently, he donated 100,000 francs to a charity fund.
Austrian architect Adolf Loos is often compared to American architect Frank Lloyd Wright in terms of his contribution. Loos believed architecture shouldn’t contain the extra elements and ornaments promoted by Art Nouveau. Mostly known for his residential projects, he built modern buildings such as the Goldman and Salatsch Building.
Alexander Berkman was a Russian-American anarchist and author. He was famous for both his political activism and his writing and was a leading member of the anarchist movement in the early 20th century. He served as the editor of fellow anarchist Emma Goldman's anarchist journal, Mother Earth. He suffered from ill-health in his later years and died by suicide.
Best known for designing the Golden Gate Bridge, engineer Joseph Strauss specialized in movable bridges and developed the concepts of the bascule bridge and the vertical-lift bridge. Born to a pianist mother and a painter-writer father, he later also penned poems such as The Mighty Task is Done.
William J. Seymour was an African-American holiness preacher. He is credited to have initiated the Azusa Street Revival, an influential event in the rise of the Charismatic and Pentecostal movements. He was a student of the early Pentecostal minister Charles Parham. He played a major role in the spread of Pentecostalism to various parts of America.
Hungarian composer Franz Lehár is best remembered for his operettas and became a worldwide sensation with The Merry Widow, which was later filmed, too. His distinctive style of Viennese operetta consisted of satire and Parisian dances. Though he had a Jewish-turned-Catholic wife, Hitler loved his music.
Clara Immerwahr was a German chemist who became the first German woman to receive a doctorate in chemistry. Apart from being a chemist, Clara Immerwahr was also a pacifist and a women's rights activist. Her work, marriage with the popular chemist Fritz Haber, and her suicide at the age of 44 have inspired films, novels, and TV series.
Amadeo Giannini was an American banker best remembered for founding the Bank of Italy, which later became Bank of America. He is credited with inventing numerous modern banking practices. Amadeo Giannini is also credited with establishing one of the first trans-national institutions.
American lawyer Benjamin Cardozo had served as the Associate Justice of the US Supreme Court. More of a liberal, he supported the modification of existing legal principles to make them more modern. He is remembered for his mild-mannered nature and for his contribution to the American common law.
The 7th president of Finland, Juho Kusti Paasikivi has also been his country’s prime minister. He had chaired the Senate of Finland, too. He is chiefly remembered for his post-World War II foreign policies. Initially an academician of law, he later turned to banking and insurance management and, eventually, to politics.
Prince Carlos of Bourbon-Two Sicilies was nephew of Francis II, the last King of the Two Sicilies. Carlos was given the title of Infante of Spain before his marriage to Mercedes, Princess of Asturias, daughter of the late King Alfonso XII of Spain. Carlos served the Spanish Army during the Spanish–American War and was later promoted as Inspector General.
Remembered as the Father of the Republic in Austria, Karl Renner led his country as its third president. Previously, he had also led the first Austrian republic. Born into a humble family of wine-growers, he studied law and began his political career with the SDAP.
Ynes Mexia was a Mexican-American botanist best remembered for her large collection of specimens of plants and flora originating from the sites of Mexico, Peru, and Colombia. She collected more than 150,000 specimens over a period of 16 years, during which she encountered various challenges, including dangerous terrain, poisonous berries, earthquakes, and bogs.
Director Edwin S. Porter, best known for films such as The Life of An American Fireman and The Great Train Robbery, revolutionized filmmaking with his pioneering technique of cross-cutting in editing. He had previously been a tailor and had served the US Navy, before being hired by the Edison Company.
Leopold Godowsky was a renowned Polish-born American pianist, composer and teacher counted among the most highly regarded performers of his day. Notable works of the virtuoso, who was reputed for his remarkable piano technique, includes his compositions like Java Suite, Walzermasken, Passacaglia and Triakontameron; and 53 Studies on Chopin's Études, a set of 53 arrangements of Études by Frédéric Chopin.
Architect Josef Hoffmann was one of the pioneering figures of the Vienna Sezession. He also supported the British Arts and Crafts Movement and helped in setting up the Vienna Workshop, serving as its director for 30 years. He was later made the city architect of Vienna.
French mathematician Louis Bachelier was said to be the first to chart a mathematical model for what is now called the Brownian motion. After losing his wine merchant father early in life, he took over the reins of his family business, but he gradually became a pioneer in mathematical finance.
Aḥmad Shawqī was an Arabic poet laureate who worked at the court of the Khedive. He also wrote plays and prose, including five tragedies. On 17 June 1977, Aḥmad Shawqī's Giza residence was converted into a museum. His work is celebrated even today at a cultural center called the El Sawy Culture Wheel.
Nobel Prize-winning Belgian immunologist and microbiologist Jules Bordet is remembered for his discovery of blood serum components that are capable of destroying bacteria. He later established the Pasteur Institute of Brussels and taught at the Free University of Brussels. He also discovered the Bordetella pertussis bacteria that causes whooping cough.
French engineer and inventor Georges Claude was often referred as the Edison of France. He is most noted for inventing and commercializing neon lighting and having a near monopoly on the new technology, for conducting an experiment to generate thermal energy of the ocean and building the first Ocean Thermal Energy Conversion (OTEC) plant, and for the Claude cycle.