Defining images from the Vietnam War

FROM TOP TO BOTTOM: A monk, Thich Quang Duc, immolates himself in protest against South Vietnam’s regime, Saigon, 1963; South Vietnamese police chief Nguyen Ngoc Loan summarily executes a prisoner, Saigon, 1968; Nine-year- old Kim Phuc (centre) screams after a napalm attack near Trang Bang, 1972