Martin Luther King jr was an activist and leader in the African American civil rights movement. His legacy will live forever in the hearts of Americans.Martin Luther King was born on January 15, 1929, in Atlanta, Georgia. He was a Baptist minister and a social activist who lead the civil rights movement from the mid-1950s until his assassination in 1968. His leadership was necessary to the success of the campaign to end legal segregation of African Americans in the south and other parts of the United States. He rose to national prominence through the Southern Christian Leadership Conference, which promoted nonviolent tactics for change. MLK was awarded the Nobel Prize for Peace in 1964.