Other Worlds, Universe Science Fiction, and Science Stories were three related US magazines edited by Raymond A. Palmer. Other Worlds was launched in November 1949 by Palmer's Clark Publications and l
The first issue of Other Worlds, dated November 1949; cover art by Malcolm Smith
Hannes Bok cover for the May 1951 issue of Other Worlds
The cover of the December 1953 Science Stories, by Virgil Finlay
Imagination (magazine)
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Imagination was an American fantasy and science fiction magazine first published in October 1950 by Raymond Palmer's Clark Publishing Company. The magazine was sold almost immediately to Greenleaf Pub
Other Worlds, Universe Science Fiction, and Science Stories
…Mahaffey, a Cleveland fan, as his managing editor, starting with the fourth issue, dated May 1950. Palmer planned another science fiction (sf) title, Imagination, to be launched in the fall of 1950, but in June, he suffered a serious accident and was temporarily paralyzed, and Mahaffey took over in his absence…
Cover of the first issue by Hannes Bok
Space exploration was predicted in August 1958 by the science fiction magazine Imagination.
The Giants From Outer Space, May 1954