Judith Josephine Grossman, who took the pen-name Judith Merril around 1945, was an American and then Canadian science fiction writer, editor and political activist, and one of the first women to be widely influential in those roles.
The opening installment of Mars Child, by Merril and Cyril Kornbluth, took the cover of the May 1951 issue of Galaxy Science Fiction
Another Merril–Kornbluth collaboration, the novelette "Sea-Change", was the cover story for the second issue of Dynamic Science Fiction in 1953. It has apparently never been reprinted.
Merril's "The Deep Down Dragon" was the cover story for the August 1961 issue of Galaxy Science Fiction
Merril's novelette "The Shrine of Temptation" took the cover of the April 1962 issue of Fantastic, featuring George Barr's first professional cover art
Cyril M. Kornbluth was an American science fiction author and a member of the Futurians. He used a variety of pen-names, including Cecil Corwin, S. D. Gottesman, Edward J. Bellin, Kenneth Falconer, Walter C. Davies, Simon Eisner, Jordan Park, Arthur Cooke, Paul Dennis Lavond, and Scott Mariner.
An early Kornbluth novelette, "The Core", was the cover story for the April 1942 issue of Future. It carried the "S. D. Gottesman" byline, a pseudonym Kornbluth used mainly for collaborations with Frederik Pohl or Robert A. W. Lowndes
The opening installment of Mars Child, by Kornbluth and Judith Merril, took the cover of the May 1951 issue of Galaxy Science Fiction
A year later, the first installment of Gravy Planet (The Space Merchants), by Kornbluth and Frederik Pohl, was also cover-featured on Galaxy
Another Kornbluth-Merril collaboration, the novelette "Sea-Change", was the cover story for the second issue of Dynamic Science Fiction in 1953. It has apparently never been reprinted.