Yuri Yappa

Yuri Andreevich Yappa (Russian:Юрий Андреевич Яппа) (September 21, 1927 – August 19, 1998) was a Soviet and Russian theoretical physicist. He is known for publications on particle physics, quantum field theory, General Relativity, philosophy of science, and for his graduate texts on classical electrodynamics and theory of spinors.