Associated Press staff photographer Nick Ut in South Vietnam in an undated photo. (Associated Press)
Associated Press staff photographer Nick Ut in Saigon beside his car in an undated photo. (Henri Huet / Associated Press)
Associated Press staff photographer Nick Ut works in the field in Vietnam in an undated photo.
Nick Ut won a Pulitzer Prize for this photo of Phan Thi Kim Phuc, center, as she and other Vietnamese children fled an aerial napalm attack on June 8, 1972.
Phan Thi Kim Phuc, left, is visited by Associated Press photographer Nick Ut at her home in Trang Bang, Vietnam, in 1973.
Nick Ut, left, and Kim Phuc Phan Thi, UNESCO goodwill ambassador, visit the exhibit “War/Photography: Images of Armed Conflict and Its Aftermath” at L.A.'s Annenberg Space for Photography in 2013.
Nick Ut on assignment at Echo Park Lake on July 15, 2014.
Nick Ut finds that Maria (aka Mario) the Goose is not quite ready for his closeup while meeting the press at the Los Angeles Zoo in 2011.
Nick Ut on assignment at a crime scene in Altadena on July 6.
Nick Ut, on assignment at Pasadena’s Jet Propulsion Laboratory, shows Juno Spacecraft engineer Elsa Jensen a photo on June 9.
Nick Ut shoots a news conference at the Los Angeles County Sheriff’s Department headquarters on May 26, 2015.
Associated Press photographer Nick Ut in Vietnam in an undated photo.