The university was created after the total destruction of Warsaw, during and after the Warsaw Uprising, and after the expulsion of Poles from Lviv. One of its leading founders was Professor Teodor Vieweger of the Free Polish University. During the first year of operation (1945-1946 academic year), the University of Lodz admitted over 7 thousand students and it was divided into 6 Faculties (including the schools of pharmacy, medicine and odontology that formed a separate institution in 1950[21]), which were later divided into the present 12 Faculties.