Complex sentence: Between 1946 and his death in 1966 Gerard Ciołek was a lecturer at the Department of Architecture at the Politechnika Warszawska, and since 1949 he was a professor of Town Planning and Landscape Design at the Politechnika Krakowska (Kraków Technical University).
Split into simpler sentences: Between 1946 and his death in 1966 Gerard Ciołek was a lecturer at the Institute of Architecture at the Politechnika Warszawska. Since 1949 he was also the professor of Town Planning and Landscape Design at the Politechnika Krakowska (Kraków Technical University).