Raymond A. Palmer

aerocar n.	1950 G. H. Irwin Justice of Martin Brand in Other Worlds July 128/1 In the dark, a transfer was made to an aerocar, which took off immediately on a course directly over the Venusian jungles.
off-trail adj.	1947 R. Palmer Observatory in Amazing Stories Oct. 7/2 Don Wilcox gives us ‘The Kettle In The Pit’ as one of his ‘off-trail’ offerings.
space patrolman n.	1939 ‘M. J. Steele’ Phantom Enemy in Amazing Stories Feb. 103/2 The uniformed figure of a space patrolman rose from below and stepped into the control room.
superscientific adj.	1947 R. A. Palmer Observatory in Amazing Stories Oct. 6/2 The existence of strange, super-scientific ships in the atmosphere of earth!