Date of birth: June 28, 1951
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Born in St. Paul, MN. Hamline Univeristy (undergraduate majors: mathematics, psychology). University of Denver (graduate school; Psychology Thesis: Prosocial Behavior - Self-reinforcement & social factors in children's groups; Social Psychology Dissertation: Psycho-social-cultural factors in Indochinese War refugee resettlement). Cave explorer; National Speleological Society (Fellow 1980, recipient Lew Bicking Award 1990); The Explorers Club (Fellow 1979). Employed: National Park Service, US Army Corps of Engineers, Mesa State College, CO, Sinclair Community College, OH.

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Matt Ridley

An English journalist, science writer, and businessman....