Alvin Tresselt (1916-2000) grew up in Passaic, New Jersey and worked in children's book publishing in New York City for many years. He is the author of more than 50 picture books, including the retelling of the Ukrainian folk tale The Mitten. His first of eighteen collaborations with Roger Duvoisin, White Snow, Bright Snow, earned the 1948 Caldecott Medal.

Roger Duvoisin (1904-1980) was born in Geneva, Switzerland and moved to the United States in 1930. He lived and worked in NYC until 1938, when he became an American citizen and moved to New Jersey. He was the illustrator of more than 140 picture books, 40 of which he wrote himself. He earned the Caldecott Medal in 1948 for White Snow, Bright Snow by Alvin Tresselt.