List of Famous people born in Oak Park, United States of America

John Clarke Slater was a noted American physicist who made major contributions to the theory of the electronic structure of atoms, molecules and solids. He also made major contributions to microwave electronics. He received a B.S. in Physics from the University of Rochester in 1920 and a Ph.D. in Physics from Harvard in 1923, then did post-doctoral work at the universities of Cambridge (briefly) and Copenhagen. On his return to the U.S. he joined the Physics Department at Harvard.

Daniel Louis Castellaneta is an American actor. Castellaneta is best known for voicing Homer Simpson on the animated series The Simpsons. Castellaneta has had voice roles in several other programs, including Futurama, Sibs and Darkwing Duck, The Adventures of Dynamo Duck, The Batman, Back to the Future: The Animated Series, Aladdin, Taz-Mania and Hey Arnold!.

James Richard Cantalupo was an American businessman. He served as chairman and chief executive officer of McDonald's Corporation until his sudden death by heart attack at the age of 60.

Daniel Pyne is an American writer and producer. He has written novels as well as film scripts.

William Paxton Bishop was an American television and movie actor from Oak Park, Illinois.

James Alexander Thomson is an American developmental biologist best known for deriving the first human embryonic stem cell line in 1998 and for deriving human induced pluripotent stem cells (iPS) in 2007.

Lois June Nettleton was an American film, stage, radio, and television actress. She received three Primetime Emmy Award nominations and won two Daytime Emmy Awards.

John Pitann Kinsella is an American former competition swimmer, an Olympic champion, and a former world record-holder in multiple events.

Richard David Bach is an American writer widely known as the author of some of the 1970s' biggest sellers, including Jonathan Livingston Seagull (1970) and Illusions: The Adventures of a Reluctant Messiah (1977). Bach has written numerous works of fiction, and also non-fiction flight-related titles.

Thomas Eugene Kurtz is a retired Dartmouth professor of mathematics and computer scientist, who along with his colleague John G. Kemeny set in motion the then revolutionary concept of making computers as freely available to college students as library books were, by implementing the concept of time-sharing at Dartmouth College. In his mission to allow non-expert users to interact with the computer, he co-developed the BASIC programming language and the Dartmouth Time Sharing System during 1963 to 1964.