 In 1970, Sakurai moved to the University of California, Los Angeles, where he remained until his death in 1982.As a graduate student, he proposed the V−A theory of weak interactions, independently of Robert Marshak, George Sudarshan, Richard Feynman, and Murray Gell-Mann.In 1960, he published a paper on the theory of strong interactions based on Abelian and non-Abelian (Yang-Mills) gauge invariance.