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.
Alexander Dmitrievich Zasyadko Oleksandr Dmytrovych or Alexander Dmitrievich Zasyadko (Russian: Засядко, Александр Дмитриевич ; ) (1779 – 8 June [O.S. 27 May] 1837 ), was a Russian/Ukrainian gunner and specialist in rocketry, Lieutenant General (1829).