Christopher Ryan

Christopher Ryan is an American author and podcast host best known for co-writing the 2010 New York Times bestseller "Sex at Dawn: The Prehistoric Origins of Modern Sexuality" with his wife Cacilda Jethá. His work primarily focuses on human sexuality, relationships, and prehistoric human behavior from an evolutionary perspective. Ryan holds a Ph.D. in Psychology from Saybrook University and has gained prominence for challenging conventional views about monogamy and human sexual evolution. In addition to his writing, he hosts the podcast "Tangentially Speaking" where he discusses various topics including psychology, anthropology, and modern society. His other notable works include "Civilized to Death: The Price of Progress" (2019), which examines the downsides of civilization and questions whether modern life has improved human wellbeing compared to hunter-gatherer societies. Ryan frequently appears as a speaker at conferences and has been featured in various media outlets discussing his research and perspectives on human behavior. Ryan's work has sparked both acclaim and controversy in academic circles, particularly his theories about human sexual behavior and prehistoric social structures. He continues to write and speak about human nature, relationships, and the impact of modern civilization on human psychology.

Readers appreciate Ryan's conversational writing style and ability to challenge mainstream assumptions about human sexuality and civilization. Many note his skill at making anthropological and evolutionary concepts accessible. Readers of "Sex at Dawn" praise the book's research-backed arguments and thought-provoking perspectives on monogamy. One Amazon reviewer wrote: "Changed how I view relationships completely - backed by solid evidence but reads like a fascinating conversation." Critics point to selective use of evidence and oversimplified arguments. Academic readers particularly note that some evolutionary biology claims lack rigorous peer review. "Civilized to Death" readers mention repetitive points and an overly romanticized view of prehistoric life. Some readers find his informal tone reduces credibility on serious topics. Ratings across platforms: Sex at Dawn - Goodreads: 4.0/5 (22,000+ ratings) - Amazon: 4.4/5 (1,800+ reviews) Civilized to Death - Goodreads: 4.1/5 (3,000+ ratings) - Amazon: 4.5/5 (500+ reviews)

Sex at Dawn: The Prehistoric Origins of Modern Sexuality (2010) An examination of human sexuality that challenges conventional views about monogamy, presenting evidence from anthropology and evolutionary biology to argue that humans evolved to be sexually non-monogamous.

Civilized to Death: The Price of Progress (2019) A critical analysis of modern civilization that compares contemporary life with hunter-gatherer societies, exploring potential downsides of technological and social progress.

Yuval Noah Harari Examines human evolution and civilization's impact on society through books like "Sapiens" and "Homo Deus". His analysis of human history and development parallels Ryan's work on prehistoric societies and modern human behavior.

Daniel Lieberman Studies human evolution and biology as a Harvard anthropologist, focusing on how our ancient past affects modern health. His book "The Story of the Human Body" explores evolutionary mismatches similar to Ryan's critique of civilization.

Robert Sapolsky Researches primates and human behavior as a neuroendocrinologist and writes about the biology of human conduct. His work in "Behave" examines the evolutionary roots of human behavior from multiple scientific perspectives.

Helen Fisher Studies human sexuality and relationships through an evolutionary lens as an anthropologist. Her research on love, attraction, and mating systems addresses many of the same questions as Ryan's work on human sexuality.

David Graeber Analyzed human societies and questioned conventional narratives about civilization's development through anthropological research. His books "Debt" and "The Dawn of Everything" challenge established views of human social evolution similar to Ryan's approach.