Dell Magazines was a company founded by George T. Delacorte Jr. in 1921 as part of his Dell Publishing Co. Dell is today known for its many puzzle magazines, as well as fiction magazines such as Alfred Hitchcock's Mystery Magazine, Ellery Queen's Mystery Magazine, Asimov's Science Fiction, and Analog Science Fiction and Fact. It was sold in March 1996 by Dell's successor company to Crosstown Publications, with headquarters in Norwalk, Connecticut, under the same ownership as Penny Publications, LLC, which publishes Penny Press puzzle magazines. Through the name "Dell Magazines" is still used on some of its magazines.