Ivan Bubnov

Russian mathematician (1872–1919).

Born January 18th, 1872 in Nizhny Novgorod.

Died March 13th, 1919 at 47 years old in Saint Petersburg (typhoid fever).

Occupations
engineer, marine engineer, mathematician, military personnel, submariner
Wikipedia

Try as much as possible to be wholly alive with all your might, and when you laugh, laugh like hell. And when you get angry, get good and angry. Try to be alive. You will be dead soon enough. William Saroyan