Christopher Ryan
Explore the best Christopher Ryan movies ranked by Movie Rankings users. Browse biography, ranked filmography, and movie detail links for Christopher Ryan.
Christopher Ryan is an American author. He earned a Bachelor of Arts degree in English and American literature in 1984. He later pursued doctoral studies in Psychology at Saybrook Graduate School in San Francisco. His dissertation examining Darwin’s rather naive understanding of human sexual evolution was later advanced in a book, Sex at Dawn (2010). His second book, Civilized to Death: The Price of Progress was published in 2019.
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Last refreshed from site data on May 11, 2026.
