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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Raymond Davis, (1914-2006), US astrophysicist and chemist. Davis conducted an experiment in the Homestake Gold Mine, South Dakota, USA, in the 1960s, in which the aim was to detect neutrinos (subatomic particles) emitted by the Sun. The result showed that there were fewer neutrinos than predicted by theories about how the Sun burns. This work resulted in him being awarded a third of the 2002 Nobel Prize in Physics (the other thirds went to Masatoshi Koshiba and Riccardo Giacconi) for pioneering contributions to astrophysics. Photographed in 1997.
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