France Križanič

France Križanič (3 March 1928 – 17 January 2002) was a Slovene mathematician, author of numerous books and textbooks on mathematics. He was professor of mathematical analysis at the Faculty of Mathematics and Physics of the University of Ljubljana.

Križanič won the Levstik Award twice, in 1951 for his book ''Kratkočasna matematika'' (Maths for Fun) and in 1960 for ''Križem po matematiki'' and ''Elektronski aritmetični računalniki'' (Criss Cross Across Maths ''and'' Electronic Calculators). Provided by Wikipedia