Installation view of An Incomplete History of Protest: Selections from the Whitney’s Collection, 1940–2017 (Whitney Museum of American Art, New York, August 18, 2017–). From left to right, top to bottom: Mierle Laderman Ukeles, I Make Maintenance Art One Hour Every Day, September 16–October 20, 1976; Martha Rosler, Semiotics of the Kitchen, 1975; Guerrilla Girls, Bus Companies Are More Enlightened than NYC Art Galleries., 1989; Guerrilla Girls, Guerrilla Girls’ Pop Quiz., 1990; Guerrilla Girls, Missing in Action, 1991; Guerrilla Girls, How Many Women Had One-Person Exhibitions at NYC Museums Last Year?, 1985; Guerrilla Girls, If You’re Raped, You Might as Well “Relax and Enjoy It,” Because No One Will Believe You!, 1992; Guerrilla Girls, You’re Seeing Less than Half the Picture, 1989; Guerrilla Girls, Women in America Earn Only 2/3 of What Men Do, 1985; Guerrilla Girls, These Galleries Show No More than 10% Women Artists or None at All, 1985; Guerrilla Girls, At Last! Museums Will No Longer Discriminate against Women and Minority Artists, 1988; Guerrilla Girls, Guerrilla Girls Identities Exposed!, 1990; Guerrilla Girls, Top Ten Ways to Tell if You’re an Art World Token, 1995; Guerrilla Girls, The Advantages of Being a Woman Artist, 1988; Guerrilla Girls, We Sell White Bread, 1987; Guerrilla Girls, Traditional Values and Quality Return to the Whitney Museum, 1995; Guerrilla Girls, Guerrilla Girls Hits List, 1986; Guerrilla Girls, Supreme Court Justice Supports Right to Privacy for Gays and Lesbians., 1992; Suzanne Lacy, Learn Where the Meat Comes From, 1976. Photograph by Ron Amstutz