Linked from
The 11 pages that link to Yang Chen-Ning, each with the reason it gives.
CP violationRelated: Their work exposed the symmetry question that led to CP tests.
Parity (physics)Related: The proposal helped redirect attention to an untested symmetry assumption.
Yang–Mills theoryRelated: Yang co-developed the theory with Robert Mills in 1954.
Chien-Shiung WuRelated: Yang co-authored the parity proposal that prompted Wu’s experimental test.
Tsung-Dao LeeRelated: Yang and Lee jointly proposed that weak interactions might violate parity.