William Steig (November 14, 1907 – October 3, 2003) was an American cartoonist, illustrator and writer of children's books, best known for the picture book Shrek!, which inspired the film series of the same name, as well as others that included Sylvester and the Magic Pebble, Abel's Island, and Doctor De Soto. He was the U.S. nominee for both of the biennial, international Hans Christian Andersen Awards, as a children's book illustrator in 1982 and a writer in 1988.