All of the covers below were done by William Timmins, an artist who, after studying at Grand Central School of Art, began his prolific career as an illustrator in 1935. In the 1940s, William Timmins did covers for several Smith & Street pulp publications, including The Shadow, Clues Detective Stories, Wild West Weekly, and Astounding Science Fiction. After his retirement in 1966, Timmins focused on landscape painting. Timmins was a part of an artistic family. His father was a celebrated illustrator who founded the Chicago advertising agency, Young & Timmins Advertising Illustration Studios while his brother opened an art gallery in Camarillo, California.