Štefan Znám (9 February 1936, Veľký Blh – 17 July 1993, Bratislava) was a Slovak- Hungarian mathematician, believed to be the first to ponder Znám's problem in modern times. Znám worked in the field of number theory and graph theory. He also co-founded journal Matematické obzory. External links Article on Štefan Znám in Matematický ústav SAV Czechoslovak mathematicians Slovak mathematicians 1936 births 1993 deaths Comenius University alumni Academic staff of Comenius University