Self-taught photographer Hugh Mangum was born in 1877 in Durham, North Carolina, as its burgeoning tobacco economy put the frontier-like boomtown on the map. As an itinerant portraitist working primarily in North Carolina and Virginia during the rise of Jim Crow, Mangum welcomed into his temporary studios a clientele that was both racially and economically diverse. After his death in 1922, his glass plate negatives remained stored in his darkroom,...