1993 she returned to German academia as a professor of mathematics education at the University of Erlangen–Nuremberg. She retired from Erlangen and moved to the University of Debrecen, in Hungary, in 2001, but died on 19 December 2001, shortly after starting her new position there. Books Cofman was the author of: Problems for Young Mathematicians (Pullen, 1981) What to Solve?: Problems and Suggestions for Young Mathematicians (Clarendon Press, 1990) Numbers and Shapes Revisited: More Problems for Young Mathematicians (Clarendon Press, 1995) Einblicke in die Geschichte der Mathematik [Insights into the History of Mathematics] (Two volumes, Spektrum, 1999 and 2001) References 1936 births 2001 deaths Yugoslav mathematicians Women mathematicians University of Novi Sad alumni Academics of Imperial College London Academic staff of the University of Tübingen Academic staff of Johannes Gutenberg University Mainz Academic staff of the University of Erlangen-Nuremberg Academic staff of the University of Debrecen