Long a source of fascination, twins have often been a theme of myth and legend. The founding of Rome by Romulus and Remus is one of the many instances that spring to mind. Even when separated at birth, identical twins can have uncannily similar tastes, habits, and life experiences. In this landmark photographic study, Martin Schoeller uses his distinctive close-up portrait style to examine sets of identical twins and multiples. In capturing every subtle aspect of their facial structure, myriad similarities and seemingly miniscule—yet significant—differences are revealed, leaving one to ponder how appearance and identity is defined as individuals.