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Luis Walter Alvarez - Wikipedia, the free encyclopedia.He is the young fella next to Arthur Compton on the left.

1979: From excess traces of iridium in late Cretaceous rocks, American scientist Luis Walter Alvarez theorizes that a large comet or asteroid struck the earth 65 million years ago, raising clouds of dust that reduced the amount od solar radiation penetrating the atmosphere and triggering the mass extinctions of dinosaurs and other Mesozoic life. Luis and Walter Alvarez at the K-T Boundary in Gubbio, Italy, 1981.


MzTeachuh: Hispanic Heritage Month: Luis Walter Alvarez


Luis Walter Alvarez – Physicist, Inventor and Engineer

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Luis Walter Alvarez

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Luis Walter Alvarez (1911-1988) Physicist, Professor, Inventor, WWII Radar Projects Manager, Detonation Device Developer, ..... Pilot & Aviation Contributor


Most Improbable Journey : A Big History of Our Planet and Ourselves (Hardcover) (Walter Alvarez)

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Luis Walter Alvarez 1968 Born: 13 June 1911, San Francisco, CA, USA Died: 1 September 1988, Berkeley, CA, USA Affiliation at the time of the award: University of California, Berkeley, CA, USA Prize motivation: "for his decisive contributions to elementary particle physics, in particular the discovery of a large number of resonance states, made possible through his development of the technique of using hydrogen bubble chamber and data analysis" Field: Particle physics