Jack Williamson (1908 - 2006)

John Stewart Williamson (April 29, 1908 – November 10, 2006), who wrote as Jack Williamson (and occasionally under the pseudonyms Will Stewart and Nils O. Sonderlund) was a U.S. writer often referred to as the "Dean of Science Fiction" following the death in 1988 of Robert A. Heinlein.