For example, Hans Haacke's celebrated Olgemalde, Hommage a Marcel Broodthaers (Oil Painting, Homage to Marcel Broodthaers), 1982, links a painted portrait of Ronald Reagan's pinched and
pecunious countenance not just to a photograph of the 500,000 people who assembled at a 1982 no-nukes rally in New York, hut, importantly, to a blown-up representation of the black-and-white celluloid frame that constituted Eva Cockroft's photographic capture of this crowd.