The Mysteries of Human Reproduction: The Ovist Theory of Reproduction is a book written by Raymond W. Bernard in 1959. The book explores the fascinating and complex topic of human reproduction, with a particular focus on the ovist theory of reproduction. The ovist theory, which was popular in the 17th and 18th centuries, posits that all human beings are created from a pre-existing egg cell, rather than from the combination of sperm and egg cells...