Chen Ning Yang, Nobel-Winning Physicist, Is Dead at 103 NYT | Top Stories George Johnson 18 October 2025 at 21:11 He and a colleague, Tsung-Dao Lee, created a sensation in 1956 by proposing that one of the four forces of nature might violate a law of physics. © Robert W. Kelley/The Life Picture Collection, via Getty ImagesThe physicist Chen Ning Yang in 1963. Dr. Yang’s sense of mathematical beauty, his colleague Freeman Dyson said, “turns his least important calculations into miniature works of art.”