In 1933, Morgan and Marvin Smith, twin sons of sharecroppers from Kentucky, arrived in Harlem. Despite the hardships of the Great Depression, they found a flourishing arts community and quickly established their place as visual chroniclers of the life of the city. For thirty years, the Smiths used their cameras to record the achievements of blacks in the face of poverty and discrimination. Rejecting the focus on misery and hopelessness common to Harlem...