Leaders of the March on Washington shown with Senator Everett Dirksen, R-Ill., during a visit to the Capitol in Washington on August 28, 1963. From left: Whitney Young, National Urban League; Dr. Martin Luther King, Jr., Southern Christian Leadership Conference; Roy Wilkins, rear, NAACP; Walter Reuther, United Auto Workers president; and John Lewis, Student Non Violent Coordinating Committee. (AP Photo)