Tim Allen was a sporting goods salesman, drug dealer, and stand-up comedian before Home Improvement made him a sitcom star (and the voice of Buzz Lightyear).
Lon Chaney was an actor known for his use of makeup to great effect in such films as The Phantom of the Opera and The Hunchback of Notre Dame.
Jack Dempsey -- known as the "Manassa Mauler" -- was the world heavyweight boxing champion from 1919-1926.
David Fincher is a film director known for his meticulous process and dark films, such as Fight Club and Seven.
Senator John Kerry has supported free trade, expansive foreign and military policy and education spending. In 2004, he was a democratic presidential nominee.
Novelist Ken Kesey wrote One Flew over the Cuckoo's Nest, which in the U.S. became one of the most widely read books of the 1960s.
Along with Eric Harris, Dylan Klebold shot and killed 13 people and injured 20 at Columbine High School on April 20, 1999.
Trey Parker is a writer, director and actor known chiefly as the creator and driving force behind the animated TV series South Park.
Politician Karl Rove was linked to scandals while with the George W. Bush administration, including the email incident relating to U.S. attorneys’ dismissals.
Wisconsin Governor Scott Walker is best known for his controversial 2011 budget proposal, in which he wanted to eliminate most collective bargaining rights for Wisconsin state employees. Walker is also the first governor in U.S. history to win a recall election.