- male, deceased (2008) (Sri Lanka)
- Sir Arthur Charles Clarke (born 16 December 1917) is a British science-fiction author and inventor, most famous for his novel "2001: A Space...
- male, 69 years old (Pacific Palisades, California, United States)
- Dennis Anthony Tito (born August 8, 1940 in Queens, New York) is a United States multimillionaire who gained celebrity status by becoming the first...
- male, 50 years old
- Miles O'Brien (b. June 9, 1959) is a technology and environmental correspondent for CNN. He formerly co-hosted "American Morning", a weekday...
- male
- Rick Tumlinson is the co-founder of the Space Frontier Foundation and a prominent space activist. He has testified on space-related topics before...
- male, deceased (1977)
- Carroll Quigley (November 9, 1910 - January 3, 1977) was a noted historian, polymath, and theorist of the evolution of civilizations. His books on...
- male
- Chris Gainor is an historian specializing in space exploration and aeronautics. He is best known for his history of the Canadian involvement in the...
- male
- Christopher P. McKay is a planetary scientist at NASA Ames Research Center, studying planetary atmospheres, astrobiology, and terraforming. McKay...
- male
- Dr. William Sims Bainbridge (born October 12, 1940) is an innovative American sociologist who currently resides in Virginia. He is co-director of...
- male, 80 years old
- Yuri N. Artsutanov (1929-) is an Russian engineer born in Leningrad. He is known for being one of the pioneers of the idea of space elevator (type...
- female, 45 years old
- Sandra Hall Magnus is an American astronaut and veteran of a single space mission. Magnus was born and raised in Belleville, Illinois and earned...
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