 In 1865, Friedrich Kleinwächter habilitated in Prag, whereupon he became an ordinary professor at the Technical University Riga in Riga/Russia and since 1875 until his emeritation he was ordinary professor of political economics (Ordinarius für Staatswissenschaften) at the newly established "Franz-Josephs-Universität" at Czernowitz.There he lectured finance in combination with financial law and public administration.Later he switched to economics in general.