Picture book
In 1938, the American Library Association (ALA) began presenting annually the Caldecott Medal to the most distinguished children's book illustration published in the year. The Caldecott Medal was established as a sister award to the ALA's Newbery Medal, which was awarded to a children's books "for the most distinguished American children's book published the previous year" and presented annually beginning in 1922. During the mid-forties to early fifties, honorees included Marcia Brown, Barbara Cooney, Roger Duvoisin, Berta and Elmer Hader, Robert Lawson, Robert McCloskey, Dr. Seuss, Maurice Sendak, Ingri and Edgar Parin d'Aulaire, Leo Politi, Tasha Tudor, and Leonard Weisgard.
Robert Lawson (author)
Robert Lawson (October 4, 1892 – May 27, 1957) was an American writer and illustrator of children's books. His work was widely admired, and he became the first, and so far only, person to be given both the Caldecott Medal, for "They Were Strong and Good" (1941), and a Newbery Award, for "Rabbit Hill" (1945).