Celebrate Martin Luther King Jr.'s legacy with a look back at 15 of his most powerful quotes, including the iconic 'I Have a Dream' speech and more.

In this Dec. 17, 1962, photo, Ambassador Adlai Stevenson, the U.S. delegate to the United Nations, shakes hands with Martin Luther King Jr., president of the Southern Christian Leadership ...

Despite being a revered leader of the civil rights movement, Dr. Martin Luther King Jr. was actually conflict avoidant, says biographer Jonathan Eig. In an interview published by NPR’s Book of ...