Leon Lederman, whose ingenious experiments with particle accelerators deepened science’s understanding of the subatomic world, died early Wednesday in Rexburg, Idaho. He was 96. From a report: His wife, Ellen Carr Lederman, confirmed the death, at a care facility. She and Dr. Lederman, who had long directed the Fermi National Accelerator Laboratory outside Chicago, had retired to eastern Idaho. Early in his career Dr. Lederman and two colleagues demonstrated that there are at least two kinds of particles called neutrinos (there are now known to be three), a discovery that was honored in 1988 with a Nobel Prize in Physics. He went on to lead a team at the Fermi laboratory, in Batavia, Ill., that found the bottom quark, another fundamental constituent of matter. For those baffled by such esoterica, Dr. Lederman was quick to sympathize. “‘The Two Neutrinos’ sounds like an Italian dance team,” he remarked in his Nobel banquet speech. But he was determined to spread the word about the importance of the science he loved: “How can we have our colleagues in chemistry, medicine, and especially in literature share with us, not the cleverness of our research, but the beauty of the intellectual edifice, of which our experiment is but one brick?”
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