L. Sprague de Camp — American Author born on November 27, 1907, died on November 06, 2000
Lyon Sprague de Camp — known as L. Sprague de Camp — was an American writer of science fiction, fantasy, non-fiction and biography. In a career spanning 60 years, he wrote over 100 books, including novels and works of non-fiction, including biographies of other fantasy authors. He was a major figure in science fiction during the genre's heyday in the 1930s and '40s... (wikipedia)