Alexander Shen

Researcher, LIRMM CNRS and University of Montpellier, France, originally from Moscow (where I've studied in the Moscow State Lomonosov University, worked at Institure of Information Transmission Problems, taught in mathematical schools #91, #57, and Independent University of Moscow). Author of several textbooks in Russian and English for high school and undergraduate students. See https://www.lirmm.fr/~ashen or https://mccme.ru/shen