William H. Gass (b. 1924) is an essayist, novelist, and literary critic. He grew up in Ohio and is a former professor of philosophy at Washington University. Among his books are six works of fiction and nine books of nonfiction, including On Being Blue (1976; published as an NYRB Classic), Tests of Time (2002), A Temple of Texts (2006), and Life Sentences (2012). Gass lives with his wife, the architect Mary Gass, in St. Louis.