Robert N. Hall

Robert N. Hall
Robert N. Hall
Born	December 25, 1919; New Haven, Connecticut, U.S.
Died	November 7, 2016 (aged 96)
Alma mater	California Institute of Technology
Known for	Demonstration of the first semiconductor laser; Invention of a magnetron;
Awards	Marconi Prize (1989); National Inventors Hall of Fame (1994)
	Scientific career
Fields	engineering, applied physics
Institutions	General Electric
Thesis	(1950)
Doctoral advisor	Charles Christian Lauritsen
Other academic advisors	William Alfred Fowler

Robert Noel Hall (December 25, 1919 – November 7, 2016) was an American engineer and applied physicist. He demonstrated the first semiconductor laser and invented a type of magnetron commonly used in microwave ovens. He also contributed to the development of rectifiers for power transmission.

Robert N. Hall
Born	(1919-12-25)December 25, 1919 New Haven, Connecticut, U.S.
Died	November 7, 2016(2016-11-07) (aged 96)
Alma mater	California Institute of Technology
Known for	Demonstration of the first semiconductor laser Invention of a magnetron
Awards	Marconi Prize (1989) National Inventors Hall of Fame (1994)
Scientific career
Fields	engineering, applied physics
Institutions	General Electric
Thesis	(1950)
Doctoral advisor	Charles Christian Lauritsen
Other academic advisors	William Alfred Fowler