William Kienbusch (1914-1980) was a painter and art instructor in New York, NY, and Cranberry Island, Maine. Kienbusch enjoyed a long friendship with painters Thomas Barrett and Leni Mancuso. Mancuso studied painting with Kienbusch at the Brooklyn Museum Art School. Barrett and Mancuso spent most of the year in Maine and often went on summer painting trips to the coastal islands with Kienbusch.