DR. ALEX COMFORT was one of the world's leading experts in the field of human sexuality and one of the most versatile authors of the 20th century. He was known throughout the world for his frank and funny writings on love and sex, and was, essentially, the inventor of the modern sex manual. A pioneer in the study of old age, cofounder of the Campaign for Nuclear Disarmament, social commentator, novelist, and poet, he wrote more than 50 books but is best known for The Joy of Sex series. In the course of his distinguished and varied career, Dr. Comfort worked as a head of research on gerontology...