Anatolii Levchenko

Soviet test pilot and cosmonaut (1941-1988).

Born May 21st, 1941 in Krasnokutsk.

Died August 6th, 1988 at 47 years old in Moscow (brain cancer).

Occupations
astronaut, military officer, test pilot
Wikipedia

It is not length of life, but depth of life. Ralph Waldo Emerson