Władysław Bortnowski

Władysław Bortnowski (12 November 1891 – 21 November 1966) was a Polish historian, military commander and one of the highest ranking generals of the Polish Army. He is most famous for commanding the Pomorze Army in the Battle of the Bzura during the invasion of Poland in 1939. He is also notable for serving as president of the Józef Piłsudski Institute of America between 1961 and 1962. Provided by Wikipedia