American scientist Luis Walter Alvarez won the 1968 Nobel Prize in physics. Alvarez developed the liquid hydrogen bubble-chamber, which he used to find atomic particles.
Luis Alvarez (1911-1988), American scientist. Luis Walter Alvarez was born in San Francisco and educated at the University of Chicago. He won the 1968 Nobel Prize in physics for developing the liquid hydrogen bubble-chamber, with which he found atomic particles produced by high-energy nuclear events. He also developed the proton linear accelerator known as LINEAC. Alvarez had wide-ranging interests in science. In 1981 he and his son Walter, after studying geological strata, published a controversial theory that a giant meteorite striking the earth had caused the extinction of the dinosaurs (see Dinosaur; Evolution).
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