Keats, << keets, >> Ezra Jack (1916-1983), an American illustrator, won the Caldecott Medal in 1963 for The Snowy Day (1962). The book was his first as sole author and illustrator. He illustrated and coauthored My Dog Is Lost (1960). He also wrote and illustrated Peter’s Chair (1967) and A Letter to Amy (1968). Keats was born in Brooklyn, New York.