Subject Keywords:Truman, Harry S., 1884-1972, Griffith, Clark, 1869-1955, Leahy, William D., Bluege, Oswald (Oswald Louis), 1900-1985, Harris, Bucky, 1896-1977, Presidents of the U.S.A., Ceremonial First Pitch, Griffith Stadium (Washington, D.C.) (1911 - 1965), Baseball Hall of Famers