Art Brokerage: Ralph Gagnon American Artist: b. 1919-1996. An abstract painter, he was born May 20, 1919 and raised in Manchester, New Hampshire. Gagnon lived and worked in Boston in the 1950s and 1960s where he exhibited between 1952 and 1958 at Nova Gallery, Stanhope Street, and at the Carl Siembab Gallery on Newbury Street. He never married and died on December 29, 1996, in Manchester, Hillsborough, New Hampshire. Listings wanted.