For many people the term "silent comedy" conjures up images of Charlie Chaplin's Little Tramp, Buster Keaton's Stoneface, or Harold Lloyd hanging precariously from the side of a skyscraper. Even people who have never seen a silent film can recognize these comedians at a glance. But what about the female comedians? Gale Henry, Louise Fazenda, Colleen Moore, Constance Talmadge-these and numerous others were wildly popular during the silent film era,...