Theodore Lyman IV

Theodore Lyman
Lyman in 1926
Born	(1874-11-23)November 23, 1874 Boston, Massachusetts
Died	October 11, 1954(1954-10-11) (aged 79) Cambridge, Massachusetts
Alma mater	Harvard University
Awards	Elliott Cresson Medal (1931)
Scientific career
Fields	Spectroscopy

Theodore Lyman IV (/ˈlaɪmən/; November 23, 1874 – October 11, 1954) was an American physicist and spectroscopist, born in Boston. He graduated from Harvard in 1897, from which he also received his Ph.D. in 1900.