Chris Van Allsburg

Chris Van Allsburg (born June 18, 1949) is an American writer and illustrator of children's books. He has won two Caldecott Medals for U.S. picture book illustration, for Jumanji (1981) and The Polar Express (1985), both of which he also wrote and were later adapted as successful motion pictures. He was also a Caldecott runner-up in 1980…