Question: What is the date of death of the editor of magazine Other Worlds, Universe Science Fiction, And Science Stories?
Sentence (from "Raymond A. Palmer"): Raymond Arthur Palmer (August 1, 1910 – August 15, 1977) was an American editor of "Amazing Stories" from 1938 through 1949, when he left publisher Ziff-Davis to publish and edit "Fate Magazine", and eventually many other magazines and books through his own publishing houses, including Amherst Press and Palmer Publications.
Relevant evidence: Yes