Born: year? month? day? in ?
Biography: Only known as Cooper, this signature appears in two probable stories: a signed Adventures of Brother story in Uncle Milty (Cross, 1950 series) #3 (May 1951) and possibly "Adventure of the Exploding Spaghetti", a Bonnie story in Mask Comics (Rural Home, 1945 series) #1 (February-March 1945).
Notes: Per Bails' this is not Sam Cooper.