EN
The following text deals with the work of chemistry lecturers at consecutive Lviv universities and at the Technical University, during the years 1772-1945. Until 1872, 9 lecturers who had come from abroad gave lectures in German (in 1772 in Latin). From 1872, lectures in different branches of chemistry were given in Polish by 26 lecturers altogether. The text also discusses achievements of Lviv pharmacists: Teodor Torosiewicz, and especially Ignacy Łukasiewicz, who in 1853 isolated liquid paraffin from crude oil.