A.K.A. Winslow Mortimer. Canadian comic-book penciller, best known for his work on DC Comic's Superman. He later worked for Marvel and Gold Key Comics, amongst other publishers.
James Winslow Mortimer (May 1, 1919 – January 11, 1998) was a Canadian comic book and comic strip artist best known as one of the major illustrators of the DC Comics superhero Superman. He additionally drew for Marvel Comics, Gold Key Comics, and other publishers.
He was a 2006 inductee into the Canadian comics creators Joe Shuster Hall of Fame.