In his career, Manning Marable wrote about the struggle for equal rights — and especially the life of Malcolm X. In this file photo from 2001, he posed at his Columbia University office in New York. Mario Tama/Getty Images hide caption

itoggle caption Mario Tama/Getty Images

A lake at the the Wind River Range, a mountain range of the Rocky Mountains in western Wyoming. Portions of the range are also inside the Wind River Indian Reservation. summitcheese/Flickr hide caption

itoggle caption summitcheese/Flickr