Hugo Erfurth, Heinrich George, 1930. Silver gelatin, 30.3 x 23.8 cm © VG Bild-Kunst, Bonn 2014. On view at Galerie Berinson in Berlin through July 26.

Robert Mapplethorpe, Derrick Cross, 1983. Gelatin silver print on paper, 50.8 x 40.6 cm. On view at the Tate Modern in London through October 26.

Robert Heinecken, Cliché Vary/Autoeroticism, 1974. On view at MoMA in New York through September 7.

Image from Tobias Rehberger, "Das Kind muss raus 生." On view at Galerie Urs Meile in Beijing through July 6.