Charles Harris (photographer)
He took photos of famous people that visited Pittsburgh like:  Louis Armstrong, Duke Ellington, Billy Eckstine, Lena Horne, Sarah Vaughan, Sam Cooke, Cab Calloway, Ray Charles, Charlie Parker, Muhammad Ali, Joe Louis, Eleanor Roosevelt, John F. Kennedy, Martin Luther King, Dwight Eisenhower, Richard Nixon, and Dizzy Gillespie.