The oldest park ranger, who told the stories of Black women in WWII, retires at 100

There's no better way to learn history than from the people who lived it. And for years, Betty Reid Soskin — a.k.a. Ranger Betty — brought her invaluable perspective to work at the National Park Service, sharing experiences that otherwise would have been gone unacknowledged.

"What gets remembered is a function of who's in the room doing the remembering," Soskin, who turned 100 last fall, has said.