1944-
Bill Belichick is head coach of the NFL's New England Patriots and widely considered one of the best coaches in football history.
1952-
1934-1993
1922-2002
1943-
Bill Clinton was the 42nd president of the United States, and the second to be impeached. He oversaw the country's longest peacetime economic expansion.
1946-
Bill Cosby is an American comedian, actor and producer, who has played a major role in the development of more positive portrayal of African-Americans on television.
1937-
1929-1980
Entrepreneur Bill Gates founded the world's largest software business, Microsoft, with Paul Allen and became one of the richest men in the world.
1955-
Bill Graham was a legendary rock concert promoter who arranged tours for bands like Jefferson Airplane, the Grateful Dead and the Rolling Stones from the 1960s until the '90s.
1931-1991
1925-1981
Bill Kreutzmann was the drummer for the Grateful Dead, along with Mickey Hart. Together, they were known as the band's "rhythm devils." Kreutzmann toured with the band for 30 years.
1946-
1940-
Bill Maher is an American comedian, talk show host and political commentator.
1956-
Comedian and actor Bill Murray is best known for his roles on Saturday Night Live and in the classic comedies Caddy Shack and Stripes. More recently, he was cast as FDR in the film Hyde Park on Hudson.
1950-
Bill Nye is a humorous writer best known for founding the Laramie Boomerang. His newspaper and writings quickly became popular across America.
1850-1896
Science educator Bill Nye is best known for hosting Bill Nye, the Science Guy, a PBS Kids show about science.
1955-
Bill O'Reilly is best known for his cable news program, The O'Reilly Factor, which has been airing on Fox News since 2001, and is also a bestselling author of several books. Until 2009, he ran a popular radio show, The Radio Factor.
1949-
1941-
Actor Bill Paxton has made a name for himself with such films as Apollo 13 and Twister and the television series Big Love.
1955-
Bill Richardson served in Clinton's cabinet and as New Mexico’s governor but he was unsuccessful in his bid for a 2008 Democratic presidential nomination.
1947-
Bill "Bojangles" Robinson was an iconic African-American tap dancer and actor best known for his Broadway performances and film roles.
1878-1949
Hailed as the greatest winner in sports, Basketball Hall of Fame center Bill Russell led the Boston Celtics to an unprecedented 11 championships in just 13 seasons.
1934-
1931-2007
Bill Watterson is best known for his comic strip creation "Calvin and Hobbes," about a boy and his imaginary friend.
1958-
Bill Wyman is best known for being the bass player for The Rolling Stones with Mick Jagger and Keith Richards.
1936-