William Kotzwinkle

William Kotzwinkle is an American novelist, children's writer, and screenwriter. He was born in Scranton, Pennsylvania, U.S.A. He has won the World Fantasy Award for Best Novel for "Doctor Rat" in 1977, and has also won the National Magazine Award for fiction. Kotzwinkle wrote the novelization of the screenplay for "E.T. the Extra-Terrestrial".
He has been married to author Elizabeth Gundy since 1965.