Famous People Who Lived With Alzheimer's Disease.

An actor turned union leader turned politician, Ronald Wilson Reagan served as the 40th president of America. Hailed for his public speaking and communication skills, Reagan is one of the most popular Presidents of USA, mainly due to his ‘America First’ economic policies which led to a decrease in inflation and unemployment rates during his tenure.

Charlton Heston was an American actor whose cinematic legacy became the subject of an 11-film retrospective titled Cinematic Atlas: The Triumphs of Charlton Heston. Also a political activist, Charlton Heston was one of the few Hollywood actors to criticize racism in the 1950s and 1960s; he was also a supporter of the Civil Rights Movement.

Etta James was an American singer whose powerful, deep voice bridged the gap between rock and roll and rhythm and blues. Her ability to perform in various genres earned her a spot in Rolling Stone magazine's 100 Greatest Singers of All Time list. Her work has influenced several musicians, including Christina Aguilera, Diana Ross, Janis Joplin, Adele, and Rita Ora.

The Prime Minister of the United Kingdom for two non-consecutive terms, Harold Wilson was a British Labour politician. Historians commend him for leading his party through difficult political issues with considerable skill. With a moderate approach to socialism, he was a popular politician during his first tenure as the prime minister; his second tenure wasn’t as successful.

Tony Bennett is an American painter and singer. He is credited with founding the Frank Sinatra School of the Arts, popular performing arts high school. A famous and critically praised concert performer and recording artist, Tony Bennett has sold more than 50 million records worldwide.

Canadian actor James Doohan was initially a soldier in the Canadian army and had even sustained injuries in World War II. He later soared to fame with his Saturn Award-nominated role of Montgomery Scott in the Star Trek film and TV franchise. He also voiced the character in various video games.

After representing teams such as Manchester City and Torino, Scottish footballer Denis Law had a successful stint with Manchester United. Known as The King, he was the only Scottish footballer to earn a Ballon d'Or and the only man to have 2 statues at the Old Trafford.

Dana Andrews was an American actor who achieved popularity during the 1940s. His film career declined in the 1950s, partly due to alcoholism, which he eventually overcame by working with the National Council on Alcoholism and Drug Dependence. Later in his life, he started focusing on his real estate business. He died of pneumonia and congestive heart failure in 1992.

One of the most popular Irish-born British novelists, Iris Murdoch is remembered for her psychological novels, which had a good dose of sexuality, philosophy, morality, and comic elements. While she won the Booker Prize for The Sea, the Sea, the Oxford alumnus had also worked for the HM Treasury and the UN.

Margaret Rutherford was an English actress best known for playing the Duchess of Brighton in the 1963 drama film, The V.I.P.s, for which she won a Golden Globe Award and an Academy Award. In 1961, she was made an Officer of the OBE. In 1967, she was elevated to become a DBE.

Enoch Powell was a British politician, linguist, classical scholar, philologist, and poet. Also a soldier, Powell served in World War II, reaching the rank of brigadier. His political career is remembered for his iconic and infamous Rivers of Blood speech, which was interpreted as a demonstration of racism. The speech became the subject of a play titled What Shadows.

While he initially wished to follow in his prosecutor father’s footsteps to be a lawyer, Otto Preminger later discovered his love for theater. A master stage director, he later signed with Fox as one of its first independent filmmakers. He soared to fame with the 1944 film Laura.  

Actor and novelist Jill Gascoine is best remembered for her role as Detective Inspector Maggie Forbes in the series The Gentle Touch and its spin-off, C.A.T.S. Eyes. She wrote three novels and also appeared in films such as King of the Wind. She was also a kidney cancer survivor.

Karlheinz Böhm was an Austrian-German philanthropist and actor. He is best remembered for playing a psychopathic named Mark in the 1960 British psychological horror-thriller film Peeping Tom. In 2003, the Ethiopian government honored Karlheinz Böhm with honorary citizenship for his work as the founder of an organization named Humans for Humans, which aims at helping Ethiopian people in need.

A Stanford engineer and a Cambridge PhD, Ray Dolby had first experimented with electronic gadgets while working part-time for Ampex in his teenage years. The Dolby Laboratories founder later pioneered the surround sound technology in movies and the noise-reduction system in tapes. His honors include an Emmy and two Academy Awards.