What is the name of the American serial killer of the 19th century on which the 1974 psychological horror novel by Robert Bloch is based?
American Gothic (novel): American Gothic is a 1974 psychological horror novel by American writer Robert Bloch, a fictionalized portrayal of real life serial killer H. H. Holmes, who is renamed "G. Gordon Gregg" for the story. H. H. Holmes: Herman Webster Mudgett (May 16, 1861 – May 7, 1896), better known under the name of Dr. Henry Howard Holmes or more commonly H. H. Holmes, was an American serial killer of the 19th century.
H. H. Holmes