Russian mathematician (1912-1986).
Born January 19th, 1912 in Saint Petersburg. [ref]
Died April 7th, 1986 at 74 years old in Moscow. [ref]
Death is no more than passing from one room into another. But there’s a difference for me, you know. Because in that other room I shall be able to see. Helen Keller (Remember that Helen Keller was blind)