The Magazine of Fantasy & Science Fiction Mystery Magazine" appeared, edited by Fred Dannay and focusing on detective fiction. The magazine was published in digest format, rather than pulp, and printed a mixture of classic stories and fresh material. Dannay attempted to avoid the sensationalist fiction appearing in the pulps, and soon made the magazine a success. In the early 1940s Anthony Boucher, a successful writer of fantasy and sf and also of mystery stories, got to know Dannay through his work on the Ellery Queen radio show. Boucher also knew J. Francis McComas, an editor who shared his interest in fantasy and sf. By 1944 McComas
Pen name another author or notable individual. For instance, from 1899 the British politician Winston Churchill wrote under the name Winston S. Churchill to distinguish his writings from those of the American novelist of the same name, who was at the time much better known. An author may use a pen name implying a rank or title which he has never actually held. William Earl Johns wrote under the name "Captain W. E. Johns" although the highest army rank he held was acting lieutenant and his highest air force rank was flying officer. Authors who regularly write in more than one genre