Were both Alexander Kronrod and Leonty Magnitsky mathematicians?
Leonty Magnitsky Leonty Filippovich Magnitsky (Russian: Леонтий Филиппович Магницкий ), born Telyatin (Russian: Телятин ), (June 9, 1669, Ostashkov – October 19, 1739, Moscow) was a Russian mathematician and educator.
Viktor Wagner Viktor Vladimirovich Wagner, also Vagner (Russian: Виктор Владимирович Вагнер ) (4 November 1908 – 15 August 1981) was a Russian mathematician, best known for his work in differential geometry and on semigroups.