Complex sentence: From 1920 he worked to reform the university according to Nagybánya principles together with Károly Lyka, serving as its president from 1927 to 1935 before retiring in 1938.
Split into simpler sentences: From 1920 he worked to reform the university according to Nagybánya principles, together with Károly Lyka. He served as its president from 1927 to 1935, before retiring in 1938.