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John Bardeen ForMemRS[1] (May 23, 1908 – January 30, 1991) was an American physicist and electrical engineer, the only person to have won the Nobel Prize in Physics twice: first in 1956 with William Shockley and Walter Brattain for the invention of the transistor; and again in 1972 with Leon N Cooper and John Robert Schrieffer for a fundamental theory of conventional superconductivity known as the BCS theory.

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John Bardeen

John Bardeen 1972 Born: 23 May 1908, Madison, WI, USA Died: 30 January 1991, Boston, MA, USA Affiliation at the time of the award: University of Illinois, Urbana, IL, USA Prize motivation: "for their jointly developed theory of superconductivity, usually called the BCS-theory" Field: Superconductivity

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July 5, 1951– William Shockley, John Bardeen, and Walter Brattain announce the invention of the junction transistor

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"John Bardeen, University of Illinois, father of both the transistor and superconductivity. Two Nobel Prizes in physics " said one pinner

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Frederick Sanger, fue un bioquímico inglés dos veces laureado con el Premio Nobel de Química. Fue la cuarta persona del mundo en recibir dos premios Nobel, tras Marie Curie, Linus Pauling y John Bardeen. Sanger determinó la secuencia de los aminoácidos de la insulina en 1953. Al hacerlo, demostró que las proteínas tienen estructuras específicas.

John Bardeen , fue un físico estadounidense galardonado con los Premios Nobel de Física de los años 1956 y 1972, convirtiéndose junto a Marie Curie, Linus Pauling y Frederick Sanger en las únicas personas galardonadas dos veces con el Premio Nobel, en ambas ocasiones en la categoría Nobel de Física.

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Collage: Erwin Schrödinger, Marie Curie, Albert Einstein, Nils Bohr and Henri Becquerel. All Nobel Prizes in Physics The Nobel Prize in Physics has been awarded 108 times to 199 Nobel Laureates between 1901 and 2014. John Bardeen is the only Nobel Laureate who has been awarded the Nobel Prize in Physics twice, in 1956 and 1972. This means that a total of 198 individuals have received the Nobel Prize in Physics.

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