Yunghi Kim takes a photo while working on a project about black farmers in 1998. Kim, an award-winning photojournalist who has covered stories all over the world, started the Trailblazers of Light, a website that celebrates women in her field and the contributions they've made. One of her most well-known projects was her story documenting South Korean "comfort women," sex slaves used by the Japanese military during World War II.
Yunghi Kim/Contact Press Images

These are the pioneering women of photojournalism