Between 1917 and 1921, he was a student of Polish and Slavic philology at Jagiellonian University, where he started to work as an assistant after defending his doctorate in 1922.
He remained in Lwów after the outbreak of World War II and was involved in secret university teaching.
[2] In the post-war period, he helped to organize Slavic and Polish studies at Nicolaus Copernicus University in Toruń and the University of Wrocław, and participated in works of the Commission for the Determination of Place Names.
[2] Taszycki is valued for his contributions to the development of onomastic research in Poland.
It contains information on Polish nomenclature gathered from sources ranging from the oldest known records to the start of the 16h century.