Question: Raymond Palmer co-wrote The Coming of the Saucers with an American aviator and businessman who made what is considered the first widely reported unidentified flying object sighting when?
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: No