When first published in 1948, Sexual Behavior in the Human Male encountered a storm of condemnation and acclaim. By unshackling sex research from flawed founding constraints, Kinsey revolutionized it. In this 75th anniversary edition, featuring a new foreword from Judith A. Allen, Sexual Behavior in the Human Male revisits the work of Alfred C. Kinsey and his fellow researchers as they sought to accumulate an objective body of facts regarding sex. Originally an entomologist, Kinsey applied his fieldwork taxonomy methods to human sexuality. With 5,300 research subjects, his undertaking was the largest sex research project of its time, transforming the field. With scientific exactness, Kinsey describes the methodology, sampling, coding, interviewing, and statistical analyses, and then examines factors and sources of sexual outlet. Told through men's experiences of sexuality and reproduction, Sexual Behavior in the Human Male: Anniversary Edition is a remarkable rumination on American society and science in the early 20th century.