People gather around the statue of civil rights leader Martin Luther King, Jr. at the MLK Memorial on the occasion of Martin Luther King Day on January 20, 2013 in Washington. King is best known for his role in the advancement of civil rights using nonviolent civil disobedience. AFP PHOTO / JOE KLAMAR
Dr. Martin Luther King, Jr. speaking before crowd of 25,000 Selma To Montgomery, Alabama civil rights marchers, in front of Montgomery, Alabama state capital building. On March 25, 1965 in Montgomery, Alabama.
Dr. Martin Luther King, Jr. seen close from the rear, speaking in front of 25,000 civil rights marchers, at the conclusion of the Selma to Montgomery march in front of Alabama state capital building on March 25, 1965. In Montgomery, Alabama.
In this composite image a comparison has been made between Martin Luther King Jr. (L) and actor David Oyelowo. Actor David Oyelowo will reportedly play civil rights activist Martin Luther King Jr. in a film biopic 'Selma' directed by Ava DuVernay. SANTA MONICA, CA - JANUARY 16: Actor David Oyelowo poses for a portrait during the 19th Annual Critics' Choice Movie Awards at Barker Hangar on January 16, 2014 in Santa Monica, California.
Dr. Martin Luther King, Jr. seen through sea of microphones, speaking before crowd of 25,000 civil rights marchers, in front of Montgomery, Alabama state capital building. Selma To Montgomery Alabama Civil Rights March, On March 25, 1965 in Montgomery, Alabama
Front of Selma to Montgomery civil rights march, with march leaders, Dr. Martin Luther King, Jr. with wife Coretta Scott king in front of march exiting the City of St. Jude School - On March 25, 1965 in Montgomery, Alabama.