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 French-Savoyard writer and poet Amélie Gex chose to publish as Dian de Jeânna ("John, son of Jane") during the first half of her career. Karen Blixen's very successful "Out of Africa" (1937) was originally published under the pen name Isak Dinesen. Victoria Benedictsson, a Swedish author of the 19th century, wrote under the name Ernst Ahlgren. The science fiction author Alice B. Sheldon for many years published under the masculine name of James Tiptree, Jr., the discovery of which led to a deep discussion of gender in the genre. More recently, women who write in genres normally written by men