Andrey Markov Jr.
Mathematician ‧ Andrey Markov's son
Andrey Andreyevich Markov was a Soviet mathematician, the son of the Russian mathematician Andrey Markov Sr, and one of the key founders of the Russian school of constructive mathematics and logic. Wikipedia
Born: September 22, 1903, Saint Petersburg, Russia
Died: October 11, 1979 (age 76 years), Moscow, Russia
Parents: Andrey Markov
Uncle: Vladimir Andreevich Markov