In Masters of Sex, critically acclaimed biographer Thomas Maier offers an unprecedented look at Masters and Johnson, their pioneering studies of intimacy, and their lasting impact on the love lives of today's men and women. Masters and Johnson began their secret studies in a small Midwest laboratory working with prostitutes and volunteers who performed more than 10,000 sexual acts in the name of science. They soon became the top experts on sex for more than forty years, explaining the untold mysteries of orgasm, emotional fulfillment, and sexual dysfunction to millions of Americans. Thousand of patients relied on their highly successful sex therapy, from politicians and Hollywood stars with marital problems to gay men and women seeking "conversion" to heterosexuality. Masters and Johnson were America's ideal couple, but they divorced after twenty years amid a clash of ambitions, betrayal, and jealousies. Theirs is a classic tale of love, work, and fame against the backdrop of an American sexual revolution which thy inspired.