Chris Riddell is a South African-born English illustrator and occasional writer of children's books and a political cartoonist for the Observer. He has won three Kate Greenaway Medals - the British librarians' annual award for the best-illustrated children's book, and two of his works were commended runners-up, a distinction dropped after 2002.

Raymond Redvers Briggs was an English illustrator, cartoonist, graphic novelist and author. Achieving critical and popular success among adults and children, he is best known in Britain for his 1978 story The Snowman, a book without words whose cartoon adaptation is televised and whose musical adaptation is staged every Christmas.