A PBS profile of Dorothea Lange, the photographer behind some of the most iconic images of the Great Depression and Dust Bowl, is set to air later this month. American Masters – Dorothea Lange: Grab a Hunk of Lightning will premiere on PBS stations Friday August 29th from 9-11pm. The documentary, directed and narrated by Lange’s granddaughter Dyanna Taylor, features newly discovered interviews with the photographer, remembrances from family and friends, as well as a look into her career retrospective at New York’s Museum of Modern Art.