Sergey Chaplygin

Russian mathematician.

Born April 5th, 1869 in Chaplygin.

Died October 8th, 1942 at 73 years old in Novosibirsk (stroke).

Occupations
engineer, mathematician, physicist
Wikipedia

Death: something like birth, a natural mystery, elements that split and recombine. Not an embarrassing thing. Not an offense to reason, or our nature. Marcus Aurelius