Aleksander_Akhiezer
Aleksandr Ilyich Akhiezer (Ukrainian: Олекса́ндр Іллі́ч Ахіє́зер, Russian: Алекса́ндр Ильи́ч Ахие́зер; October 18, 1911 – May 4, 2000) was a Soviet and Ukrainian theoretical physicist, known for contributions to numerous branches of theoretical physics, including quantum electrodynamics, nuclear physics, solid state physics, quantum field theory, and the theory of plasma.[1][2] He was the brother of the mathematician Naum Akhiezer.