For seven decades Katharine Hepburn played a leading role in the popular culture of the twentieth century -- reigning as an admired actress, a beloved m ovie star, and a treasured icon of the modern American woman. She also remained one of the most private of all the public figures of her time. In 1983--at the age of seventy-five, her career cresting--the four time Academy Award winner opened her door to biographer A. Scott Berg--then thirty-three--and...