Who Was Martin Luther King Jr? Martin Luther King Jr. was a Baptist minister and civil rights activist who had a seismic impact on race relations in the United States, beginning in the mid-1950s.
Martin Luther King Jr. (Jan. 15, 1929–April 4, 1968) was one of the most prominent leaders of America's civil rights movement in the 1950s and 1960s. His words and actions have left a lasting mark on ...