48- Christopher Ryan PhD - Transcendental Tangential
"Christopher Ryan, Ph.D., is a psychologist, teacher, and author. Together with Cacilda Jethá, M.D., he is a co-author of the New York Times best seller, Sex at Dawn: The Prehistoric Origins of Modern Sexuality (HarperCollins)."
Book: Sex At Dawn: How We Mate, Why We Stray, and What It Means for Modern Relationships
Site: Sexatdawn.com The Prehistoric Origins of Modern Sexuality
Podcast: Tangentially Speaking "dedicated to the idea that good conversation has to be organic, revelatory, and free to go down unexpected paths."
Twitter: @ChrisRyanPhD
Other mentions: Duncan Trussell - Joe Rogan
