Alexey Andreevich Anselm

Alexey Andreevich Anselm was a Russian theoretical physicist, known for his discovery of nonuniversality of the Landau pole in Quantum field theory, contributions to the theory of complex angular momenta, works on the Quark model, Spontaneous symmetry breaking, mechanisms of CP violation, modifications of the Standard Model, Cosmology, and the development of a simple model for the proton spin crisis.

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Source: Wikipedia