Księżarski Feliks was an architect born in Kraków in 1820. He studied at the Faculty of Philosophy of the Jagiellonian University in 1835-1837, then at the Technical University in Munich and Karlsruhe. He also graduated from the military artillery and engineering school in Metz, and later worked as a road and bridge conductor in Paris. He settled permanently in Krakow in 1848, where he continued the work of Karol Kremer on the reconstruction and conservation of Collegium Maius. His greatest work was the construction of the university building of Collegium Novum. He died in 1990 in Krakow.