Margaret Bourke-White was hired as the first female photojournalist for Life Magazine in 1935. She was the first female war correspondent and the first woman allowed to work in combat zones during WWII, documenting the atrocities of the death camps.
A member of the Auxiliary Fire Service (AFS) takes a call during a night of bombing during the Blitz, London, 1941. Original publication: Picture Post - 587 - Fire-Fighters! - pub. 1st February 1941 (Photo by Bert Hardy/Picture Post/Hulton Archive/Getty Images)