Herbert Langfeld

Herbert Langfeld
Born	(1879-07-24)July 24, 1879 Philadelphia, Pennsylvania, US
Died	February 25, 1958(1958-02-25) (aged 78) Princeton, New Jersey, US
Known for	Past president, American Psychological Association
Scientific career
Fields	Psychology
Institutions	Harvard University Princeton University
Thesis	Über die heterochrome Helligkeitsvergleichung (1909)
Doctoral advisor	Carl Stumpf

Herbert Sidney Langfeld (July 24, 1879 – February 25, 1958) was an American psychologist and a past president of the American Psychological Association (APA).