Tomi Ungerer (1931 — 2019) began his unstoppable career as an illustrator, childrenʼs book author and artist in New York. He published more than 140 books for adults and children, and created posters, sculptures and films. His hometown, Strasbourg, dedicated a museum to him even during his lifetime. His picture books, such as The Three Robbers and Moon Man, are modern classics.

Millicent Ellis Selsam (1912—1996) was an American biologist and children’s book author. She started the series I Can Read with Harper in 1946 — with her first book Egg to Chick — to enhance children’s understanding of the sciences. Over the course of her career, she wrote more than a hundred children’s books and received numerous awards, including the 1965 ›Thomas Edison Mass Media Award‹ for the best scientific children’s book.