Richard Hambleton (1954-2017) was a Canadian artist known for his pioneering street art. He was a surviving member of a group that emerged from the New York City art scene during the booming art market of the 1980s, which also included his close friends Keith Haring and Jean-Michel Basquiat. As a conceptual artist, Hambleton's early work installations titled Image Mass Murder from 1976-1979 were secretly placed onto streets in over 15 cities, depicting...