He was a groundbreaking master of the visual pun, part of a generation of designers for whom the aesthetic was in service to the idea.He was a groundbreaking master of the visual pun, part of a generation of designers for whom the aesthetic was in service to the idea.Read MoreDesign, Gill, Bob (1931-2021), Advertising and Marketing, School of Visual Arts, Pentagram Design Inc, Deaths (Obituaries)