Bergman’s subjects are strangers (“I know most of them for minutes”), and they fall within a broad spectrum of race, age, ethnicity, and economic class. The photographer has a fascination with the expressiveness of skin texture and tonality, as well as with bone structure (rarely have clavicles seemed so intriguing). He also favors the distinct and unusual physiognomy reminiscent of some of Diane Arbus’s subjects, though Bergman eschews Arbus’s air of fetishized freakishness, dwelling instead on the contours of the face in order to reveal the physical expression of emotion. In most of Bergman’s