EMILIO SEGRE VISUAL ARCHIVES / AMERICAN INSTITUTE OF PHYSICS / SCIENCE PHOTO LIBRARY EMILIO SEGRE VISUAL ARCHIVES / AMERICAN INSTITUTE OF PHYSICS / SCIENCE PHOTO LIBRARY
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Bardeen, Shockley and Brattain (left to right), US physicists. These three shared the Nobel Prize for Physics in 1956 for their invention of the transistor. Transistors are solid state switches found in nearly every electronic component today. They invented the transistor in 1947 while working at Bell Telephone Laboratory (Bell Labs). This photograph was taken in 1972 to commemorate the 25th anniversary of their invention. Shockley is using a microscope to view a transistor, as they underwent considerable miniaturisation in those 25 years.
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