Illustrator, designer and watercolourist, born and lived in Cambridge, younger brother of the illustrator Charles Edmund Brock. Studied at local School of Art, worked alongside his brother and by the mid-1990s was a busy illustrator of periodicals. His work appeared in Boy’s Own Paper, The Graphic, Pearson’s Magazine and The Strand Magazine, plus many others, and he illustrated many books. He was elected RI in 1906, also showing at RA, RSA and Walker Art Gallery in Liverpool, producing attractive landscapes.