 Yablonsky and his students were ones of the first in the world to raise the issues of potentially inherent unavoidability of the brute force search for some problems, the precursor of the P = NP problem, though Gödel's letter to von Neumann, dated 20 March 1956 and discovered in 1988, may have preceded them.Yablonsky was born in Moscow, to the family of a professor of mechanics.His mathematical talents became apparent in early age.