Christopher Ryan (author)

Christopher Ryan is an American author best known for coauthoring the book Sex at Dawn. He received a B.A. in English and American literature in 1984 and an M.A. and Ph.D. in psychology from Saybrook University, an accredited hybrid lowresidencyonline learning program based in San Francisco twenty years later. His masters thesis examined difference in specific personality measures between working fashion models and the general public. His doctoral dissertation analyzed the prehistoric roots of human sexuality, and was guided by the psychologist, Stanley Krippner, a humanistic psychologist, with additional committee members Sabrina Zirkel and Jrgen W. Kremer.

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Source: Wikipedia