Robert Arthur

space drive n.	1941 R. Arthur Operation Successful in Astounding Science Fiction Dec. 89/1 Janice Lansing, whose father, old John Lansing, had made his twenty millions honestly, as royalty on the Lansing Space Drive.
time barrier n.	1933 R. Arthur, Jr. Theft of Washington Monument in Amazing Stories Oct. 511/1 The temperator is capable of affecting the time over a certain limited area in such a manner that it will be removed and we will advance through time…. We tear down the time barrier that lies between us and to-morrow, or next week, or the next century. It is easily and quickly done, and I can control the force over quite a large area. All that is necessary is to start the dynamo, and at once we shoot through time.