The artist Lee Lozano (1930--1999) began her career as a painter; her work rapidly evolved from figuration to abstraction. In the late 1960s, she created a major series of eleven monochromatic "Wave" paintings, her last in the medium. Despite her achievements as a painter, Lozano is best known for two acts of refusal, both of which she undertook as artworks: "Untitled (General Strike Piece)," begun in 1969, in which she cut herself off from the commercial...