Diane Dillon was born in Los Angeles in 1933. She met her future husband, Leo, when they were both studying at the Parsons School of Design in New York in 1953. They married in 1957 and became an iconic artistic duo.The Dillons are the only illustrators to win the Caldecott Medal two years in a row, which they did in 1976 and 1977. They produced more than 100 speculative book and magazine covers together.