Known for her evocative portraits, Diane Arbus is a pivotal figure in American postwar photography. Undeniably striking, Arbus's black-and-white photographs capture a unique gaze. Criticized as well as lauded for her photographs of people deemed "outsiders,? Arbus continues to attract a diversity of opinions surrounding her subjects and practice. Critics and writers have described her work as "sinister? and "appalling? as well as "revelatory,? "sincere,? and "compassionate.? In the absence of...