John Bardeen was an American physicist and electrical engineer, best known for his foundational contributions to the field of semiconductor physics and for co-inventing the transistor, a key component in modern electronic devices. He was born on May 23, 1908, and passed away on January 30, 1997.
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A physicist.[ref]
https://www.nobelprize.org/prizes/physics/1956/bardeen/biographical/?NMW_TRANS=ext. Independent professional profile
Portrait of John Bardeen
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The Story of John Bardeen at the University of Illinois (2010)
Source. - youtu.be/OyV8qSwGUHU?t=976 of when Bardeen demoed the transistor in class is particularly memorable
- youtu.be/OyV8qSwGUHU?t=1105 some of his golf colleagues didn't know he had won a Nobel Prize!