Gordon Laite, who illustrated the children's book, THE KING WHO LEARNED TO SMILE, was born in 1925. You can see other examples of his work here and here.
Seymour Reit, who wrote the book, was well known as a writer who also did stints in animation and even co-created Casper the Friendly Ghost. As Sy Reit He wrote many pages for MAD. He also wrote over 80 books for young readers. Reit died in 2001 at age 83.
THE KING WHO LEARNED TO SMILE Copyright © 1960 by Golden Press, Inc.