Yoichiro Nambu

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2026-06-22

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Who is this?

Yoichiro Nambu (南部陽一郎, Nanbu Yōichirō; 18 January 1921 – 5 July 2015) was a Japanese-American physicist and professor at the University of Chicago. Known for his groundbreaking contributions to theoretical physics, Nambu was the originator of the theory of spontaneous symmetry breaking, a concept that revolutionized particle physics. He was also a pioneer of quantum chromodynamics (QCD), one of the founding figures of string theory, and the proposer of Nambu mechanics. In addition, he co-create