 Mort Weisinger was the editor on Superman comics from 1941 to 1970, his tenure briefly interrupted by military service.Siegel and his fellow writers had developed the character with little thought of building a coherent mythology, but as the number of Superman titles and the pool of writers grew, Weisinger demanded a more disciplined approach.Weisinger assigned story ideas, and the logic of Superman's powers, his origin, the locales, and his relationships with his growing cast of supporting characters were carefully planned.