Anthony Boucher (born William Anthony Parker White) (August 21, 1911 – April 29, 1968) was an American science fiction editor and author of mystery novels and short stories. He was particularly influential as an editor. Between 1942 and 1947 he acted as reviewer of mostly mystery fiction for the San Francisco Chronicle. In addition to 'Anthony Boucher', White also employed the pseudonym 'H. H. Holmes', which was the name of a late 19th-Century American serial killer.
In a poll of 17 detective story writers and reviewers, his novel Nine Times Nine was voted as the ninth best locked room mystery of all time.
Boucher also scripted for radio and was involved in many other activities, as described by William F. Nolan in his essay, "Who Was Anthony Boucher?": The 1940s proved to be a very busy and productive decade for Boucher. In 1945 he launched into a spectacular three-year radio career, plotting more than 100 episodes for The Adventures of Ellery Queen, while also providing plots for the bulk of the Sherlock Holmes radio dramas. By the summer of 1946 he had created his own mystery series for the airwaves, The Casebook of Gregory Hood. ("I was turning out three scripts each week for as many shows," he stated. "It was a mix of hard work and great fun.")