DR. ALEX COMFORT, M.B., D.SC., was one of the world’s leading experts on human sexuality. He was known for his frank and funny writings on love and sex, and was the inventor of the modern sex manual. Cofounder of the Campaign for Nuclear Disarmament, anarchist, social commentator, novelist, and poet, he wrote more than fifty books and countless scientific papers. Over the course of a distinguished and varied career, Dr. Comfort worked as head of research on gerontology at University College London and was a lecturer in the Department of Psychiatry at Stanford University and an adjunct professor at the Neuropsychiatric Institute at UCLA. He died in March 2000 at age eighty.