After educating in Loznica, Šabac, Belgrade and Vienna, Jovan Cvijić (Loznica 1865, Belgrade 1927) became a full-professor on a High school which turned into University in Belgrade in 1905 (Jovan Cvijić rector in 1906-1907 and 1919-1920). As a professor and scientist he noted one epoch with important inventions and that’s the reason why even today are considered results oh his investigations in Serbia and Balkan peninsula. The biggest number of information about teaching and science Jovan Cvijić permitted in article "About Science Work and Our University", which was printed in 1907.