Ivan Bubnov

Russian mathematician.

Born January 18th, 1872 in Nizhny Novgorod.

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

Occupations
engineer, major general, marine engineer, mathematician, submariner
Wikipedia
Ivan_Bubnov

I would rather die a meaningful death than to live a meaningless life. Corazon Aquino