August Herman Pfund

August Herman Pfund
Born	(1879-12-28)December 28, 1879 Madison, Wisconsin
Died	January 4, 1949(1949-01-04) (aged 69)
Nationality	USA
Known for	Pfund line Pfund telescope
Awards	Edward Longstreth Medal (1922)
Scientific career
Fields	Physics Spectroscopy

August Herman Pfund (December 28, 1879 – January 4, 1949) was an American physicist and spectroscopist. He was born in Madison, Wisconsin. He discovered the hydrogen Pfund lines, where an electron jumps up from or drops down to the fifth fundamental level.

Pfund also invented the Pfund telescope configuration that bears his name.

References and Biography

• Dr. John Andraos, Named Concepts in Chemistry (L-Z), York University, 2001

• Pelletier, Paul A. (ed.), Prominent Scientists: An index to collective biographies, 2nd ed., Neal-Schuman Publishing, Inc.: New York, 1985 (citations only)

• Cattell, J.M.; Cattell, J. American Men of Science, 6th ed., The Science Press: New York, 1938

• Journal of the Optical Society of America, 39:4 (April, 1949) 325. Obit.