అర్థం : English chemist noted for his studies of molecular structures in plants (1886-1975).

అర్థం : United States prizefighter who won the world middleweight championship five times and the world welterweight championship once (1921-1989).

అర్థం : Irish playwright and theater manager in Dublin (1886-1958).

అర్థం : United States historian who stressed the importance of intellectual and social events for the course of history (1863-1936).

అర్థం : United States baseball player. First Black to play in the major leagues (1919-1972).

అర్థం : United States poet. Author of narrative verse (1869-1935).

అర్థం : United States film actor noted for playing gangster roles (1893-1973).