Ellery Queen's Mystery Magazine Magazine" has several distinguishing hallmarks, most of which were established during the days of Frederic Dannay’s editorship and have been maintained and strengthened since then. It is believed that these characteristics have helped" EQMM "to survive and flourish for more than 75 years while retaining its reputation as the leading periodical in the genre. From the creation of "EQMM", Dannay was determined to make the magazine “a quality publication devoted exclusively to the printing of the best detective-crime short-story literature," making quality the sole criterion for inclusion in the magazine, and his principle is inherited by succeeded editors. Apart from
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