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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.

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Luis Walter Alvarez - Inventor

Luis Walter Alvarez 1961.jpg inventor won the nobel prize in physics 1968

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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

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

MzTeachuh: Hispanic Heritage Month: Luis Walter Alvarez

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from SlideServe

Luis Walter Alvarez

PPT - Luis Walter Alvarez PowerPoint Presentation

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Mabel Alvarez, Artist; Borderline Modernist. The fine portrait shown above is a 1923 self-depiction by Mabel Alvarez (1891-1985), aunt of Luis Walter Alvarez (1911-88), winner of the Nobel Prize for Physics in 1968.

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Luis Walter Alvarez – Physicist, Inventor and Engineer

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