Jimmy Thompson was on the art staff of the Philadelphia Ledger during the 1930s. For the Ledger Syndicate he did art on newspaper comics like 'Roy Powers, Eagle Scout' and 'War On Crime' in 1937-38. He turned to comic book art in the late 1930s, starting with drawing 'Red Men' for the David McKay Comics Group and 'Screen Oddities' for Eartern Color Printing. He illustrated several features for National/DC in the 1940s, including 'Hamilton and Egbert', 'Robotman', 'Rodeo Rick' and 'Two-Gun Percy'. He was present at Fawcett with art on 'Captain Midnight' and 'Mary Marvel' and at Timely with 'Sub-Mariner' and 'Human Torch'. In the early 1950s he drew 'Wild Bill Hickok' for Avon Comics. He worked through the Binder studio in 1942-43.