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Martin Perl, Nobel-winning physicist who identified key particle, dies at 87
Martin Perl, a physicist who was credited with unveiling a previously unknown subatomic building block of matter, a discovery for which he shared a Nobel Prize and that broadened the field of physics, died Sept. 30 at a hospital in Palo Alto, California. He was 87.
The cause was a heart attack, said his son Jed Perl.