John Bardeen

John Bardeen (23 May 1908 – 30 January 1991) was an American physicist and electrical engineer. He is the only person to win two Nobel Prizes in Physics.

Early life
Bardeen was born in Madison, Wisconsin. His father, Charles Bardeen was a Professor at the Medical School of the University of Wisconsin. He completed his bachelor's degree and master's degree in Electrical Engineering at the University of Wisconsin-Madison. He completed his PhD in Physics at Princeton University in 1936.
Works
Bardeen worked with William Shockley and Walter Brattain to invent the transistor on 23 December 1947. They shared the Nobel Prize in Physics for 1956.

Later, Bardeen worked with Leon Cooper and John Robert Schrieffer. They created the BCS theory of superconductivity, named after them. For this work they shared the Nobel Prize in Physics for 1972.

Bardeen was a Professor of Electrical Engineering and Physics at the University of Illinois at Urbana-Champaign from 1951 to 1991.

 References 
 Hoddeson, Lillian and Vicki Daitch. 2002. True Genius: the life and science of John Bardeen. National Academy Press. 

 Other websites 
 Biography from PBS

Category:1908 births
Category:1991 deaths
Category:American electrical engineers
Category:American Nobel Prize winners
Category:Scientists from Madison, Wisconsin
Category:American theoretical physicists
Category:Nobel Prize in Physics winners