(1911–88), US physicist. In particle physics, he made the first measurement of the neutron’s magnetic moment. He also developed the bubble chamber. In 1980 Alvarez and his son identified iridium in sediment from the Cretaceous-Tertiary boundary and proposed that this resulted from a catastrophic meteorite impact. Nobel Prize for Physics (1968).
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Syllabification: Al·va·rez, Luis Walter
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