selling refrigerators and magazines door-to-door (I assume not at the same time) (1930s perhaps, may have been after the hotel business in early 40s?
• serving as a seaman in the Merchant Marines (1935 – 38) • managing a resort hotel in the West Indies (May 1940 – March 1941) • serving as Assistant Chief Steward for the Army at Fort Simonds, where he learned earth moving (1941) • operating gas stations and tractor lubrication center (1941, this was for the Army) • working in Puerto Rico at Ensenada Handa airfield, dry dock, and ship fitting yard (1942) • driving a bull dozer in Puerto Rico (1942) • working as copy editor in an advertising agency (1944) • literary agent • copywriting, doing circulation promotion for Fortune magazine (1948) • working on circulation and advertisting promotion for international editions at Time, Inc. (Time, Inc. prints Fortune) (1949) • acting as story editor for Tales of Tomorrow (1950) • writing book reviews for Venture (1957 – 58) • working as a Feature Editor for Worlds of If (1961 – 64) • writing occasional sf reviews and articles for The National Review (1961 – 73) • writing for various television