Miroslav KatÃÂtov (; March 17, 1918, Chembar, Russia â December 15, 1995) was a Czech mathematician, chess master, and psychologist. His research interests in mathematics included topology and functional analysis. He was an author of the KatÃÂtovâÂÂTong insertion theorem. From 1953 to 1957 he was rector of Charles University in Prague.