2 ms·
professional and recreational mathematician, professor, and chessologist. https://en.m.wikipedia.org/wiki/Richard_K._Guy https://en.m.wikipedia.org/wiki/Richar
by lonelappde 7y ago
professional and recreational mathematician, professor, and chessologist.
https://en.m.wikipedia.org/wiki/Richard_K._Guy https://en.m.wikipedia.org/wiki/Richard_K._Guy