Martin Luther King Jr. (1929-1968) was an American Baptist minister, best known for his role as a Civil Rights leader and spokesman. King was award the Nobel Peace Prize in 1964. He was assassinated on April 4, 1968 in Memphis, Tennessee.
from the website: The King Library and Archives in Atlanta is the largest repository of primary source materials on Dr. Martin Luther King, Jr. and the American Civil Rights Movement in the world.
Archived in the American Folklife Collection of the Library of Congress. The Martin Luther King, Jr. collection, donated in 1964, consists of manuscripts, notebooks, correspondence, printed material, financial and legal papers, a small number of photographs and other items dating from 1947 to 1963.