The document discusses portraiture in photography and compares it to portraiture in painting. It provides quotes about revealing the essence or truth of the subject from photographers Edward Weston and Minor White. The document lists various portrait photographers such as Richard Avedon, Diane Arbus, and August Sander. It also lists portrait artists such as Rembrandt, Velazquez, and Frida Kahlo. Specific photographers and artworks are discussed, such as Richard Billingham's unflinching family portraits, Rineke Dijkstra's adolescent subjects, and Claude Cahun's self-portraits. The influence of painting on photography and vice versa is a topic of comparison.