Mstislav Keldysh

Soviet mathematician and physicist (1911-1978).

Born February 10th, 1911 in Riga. [ref]

Died June 24th, 1978 at 67 years old in Moscow (heart failure).

Occupations
engineer, mathematician, physicist, politician, university teacher
Wikipedia

Since we’re all going to die, it’s obvious that when and how don’t matter. Albert Camus