From Wikipedia: Stephen Gammell (b. February 10, 1943) is an American illustrator of children's books.His awards include the Caldecott Medal.
Stephen Gammell grew up in Iowa. His father, an art editor for a major magazine, brought home periodicals that gave Stephen early artistic inspiration. His parents also supplied him with lots of pencils, paper, and encouragement. He is self-taught.
He started his career with commercial freelance work, but became interested in children's book illustration. His first book, A Nutty Business, was published in 1973. Since then, he has illustrated over fifty titles.
He is particularly well-known for the surreal, unsettling illustrations he provided for Alvin Schwartz's Scary Stories to Tell in the Dark series of horror short stories, still a favorite in adolescent fiction.
Stephen and his wife, Linda, a photographer, live in St. Paul, Minnesota. He works daily in his studio, located over a restaurant.