Christopher Ryan is a renowned American author and psychologist who has gained worldwide recognition primarily for his work on evolutionary psychology and human social behavior. His most discussed and controversial book is 'Sex at Dawn' (co-authored with Cacilda Jethá), where he challenges conventional social concepts regarding primitive human sexuality and monogamy from an evolutionary perspective. Additionally, in another important book, 'Civilized to Death', he analyzes how modern civilization is negatively impacting human happiness and natural lifestyles. He also holds fame as a popular podcaster, where he conducts deep discussions on science, philosophy, and human nature.
