Naturalist (1798-1868).
Aleksander Zawadzki born Józef Antoni Zawadzki (6 May 1798 in Bielitz, Austrian Silesia – 6 May 1868 in Brno) was an ethnically Polish naturalist who lived almost all his life in the Austrian Empire. He was an author of flora and fauna lists of the Galicia region and the neighbourhood of Lviv (Polish: Lwów). He was also the first scientist who studied and catalogued the beetles and butterflies of Eastern Galicia. He was responsible for encouraging Gregor Mendel to study genetics at Brno.