As art director of Harper’s Bazaar for nearly a quarter century, the Russian graphic designer ushered in a bold new aesthetic informed by European modernism that made photography a cornerstone of the fashion magazine’s identity—and influenced a rising cadre of emigré photographers like Richard Avedon, Irving Penn, and Lillian Bassman. The trajectory of his career and his impact on print culture today comes into full view here through personal stories, case studies, and original and collaborative works by him and his protégés.