Chris Raschka is an author and illustrator of many books for children. He is the illustrator of The Hello, Goodbye Window by Norton Juster and the author-illustrator of A Ball for Daisy, both Caldecott Medal winners. He also illustrated four poetry collections by Paul B. Janeczko and is the author-illustrator of The Cosmobiography of Sun Ra. Chris Raschka lives in New York, USA. Find him on Twitter as @ChrisRaschka.
Vladimir Radunsky (1954-2018) was the illustrator of many books for children, including On a Beam of Light: A Story of Albert Einstein by Jennifer Berne, and the author-illustrator of The Mighty Asparagus, I Love You Dude and You?