Series · Fox Comics (US) Science Comics (1940) Bert Whitman, Emil Gershwin, George Tuska 8 issues Issues #1 · Science Comics Jan 3, 1940 #2 · In every issue DYNAMO Feb 12, 1940 #3 Mar 2, 1940 #4 Apr 2, 1940 #5 May 11, 1940
