Did you know that much of Robert Capa's photography was actually shot by a woman?

A woman in the 1930s atop a skyscraper, perched on a large eagle-shaped sculpture, operates a camera.

It's International Women's Day, so we're celebrating the incredible women who have shaped photography from day one.

From trailblazers like Anna Atkins, who helped create photography for scientific documentation, to today's bold visionaries like Petra Collins, these women have pushed boundaries, told new stories and changed the way we see the world.