Header and Thumbnail Image: Mark Bradford, Pickett’s Charge (The High-Water Mark) (detail), 2016–17. Photo by Joshua White. Courtesy of the artist and Hauser & Wirth. Mark Bradford at the Hirshhorn Museum and Sculpture Garden with details of Pickett’s Charge, 2017. Photo by Cathy Carver. Courtesy of the artist and Hauser & Wirth. Portrait of Faith Ringgold by Grace Matthews. Courtesy of ACA Galleries. Portrait of Kara Walker by Ari Marcopoulos. Courtesy of Sikkema Jenkins & Co., New York.

Additional Thumbnail Image: Mark Bradford, Pickett’s Charge (The High-Water Mark) (detail), 2016–17. Photo by Joshua White. Courtesy of the artist and Hauser & Wirth. Portrait of Mark Bradford by Sean Shim-Boyle. Courtesy of the artist. Portrait of Kara Walker by Ari Marcopoulos. Courtesy of Sikkema Jenkins & Co., New York. Portrait of Carrie Mae Weems by Jerry Klineberg.

Portrait of Mark Bradford by Carlos Avendano. Courtesy of the artist. Portrait of Nick Cave by James Prinz Photography. Courtesy of Jack Shainman. Portrait of Charles Gaines by Fredrik Nilsen, 2018. © Charles Gaines. Portrait of Theaster Gates by Chen Xiaomei/South China Morning Post via Getty. Portrait of Sam Gilliam by Stephen Frietch. Courtesy of David Kordansky Gallery, Los Angeles. Portrait of David Hammons by Chris Felver. Portrait of Rashid Johnson by Eric Vogel. Portrait of Glenn Ligon by Paul Mpagi Sepuya. Courtesy of Luhring Augustine and the artist. Portrait of Kerry James Marshall by Jason Bell. Courtesy of Jack Shainman. Portrait of Senga Nengudi. Courtesy of Thomas Erben Gallery. Portrait of Howardena Pindell by Nathan Keay, 2018. Courtesy of the artist and Garth Greenan Gallery, New York. Portrait of Pope.L. © Pope.L. Courtesy of the artist and Mitchell-Innes & Nash, New York. Portrait of Faith Ringgold by Grace Matthews. Courtesy of ACA Galleries. Portrait of Betye Saar. Courtesy of the artist and Roberts Projects, Los Angeles. Portrait of Lorna Simpson by Allen J. Schaben/Los Angeles Times via Getty. Portrait of Henry Taylor by Cassi Gibson. Courtesy of the artist and Blum & Poe, Los Angeles/New York/Tokyo. Portrait of Mickalene Thomas by Lyndsy Welgos. Portrait of Kara Walker by Ari Marcopoulos. Courtesy of Sikkema Jenkins & Co., New York. Portrait of Carrie Mae Weems by Jerry Klineberg. Portrait of Kehinde Wiley by Brad Ogbonna. Courtesy of Sean Kelly, New York.