- male, 81 years old
- James Randi (born August 7, 1928), stage name The Amazing Randi, is a stage magician and scientific skeptic best known as a challenger of...
- male, 55 years old (Altadena, California, United States)
- Michael Shermer , as head of one of America's leading skeptic organizations, and as a powerful activist and essayist in the service of this...
- male, deceased (1996)
- Carl Edward Sagan was an American astronomer and astrobiologist and a highly successful popularizer of astronomy, astrophysics, and other natural...
- male, 52 years old
- Paul Zachary "PZ" Myers (born March 9 1957) is an American biology professor at the University of Minnesota, Morris and a science blogger via his...
- male
- Philip Plait (a.k.a. The Bad Astronomer) is an astronomer who runs the website Badastronomy.com. He formerly worked at the physics and astronomy...
- male, 79 years old
- Thomas Sowell was born in North Carolina and grew up in Harlem. As with many others in his neighborhood, he left home early and did not finish high...
- male, 64 years old
- Robert Todd Carroll (1945-), Ph.D., is an American writer and academic, acting as a philosophy professor and chairman of the Philosophy Department...
- male, deceased (1992) (Russia)
- Dr. Isaac Asimov (c. January 2, 1920- April 6, 1992, was a Russian-born American Jewish author and biochemist, a highly successful and...
- female, 50 years old
- Julia Sweeney (born October 10, 1959 in Spokane, Washington) is an American actress and comedian who lives in Hollywood, California. She is best...
- male, 54 years old
- Penn Fraser Jillette (born March 5, 1955 in Greenfield, Massachusetts) is an American illusionist, juggler and comedian known for his work with...
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