Leon Wasilewski

Leon Wasilewski (1870–1936) was an activist of the Polish Socialist Party (PPS), a coworker of Józef Piłsudski, Polish Minister of Foreign Affairs, designer of much of Second Polish Republic policy towards Eastern Europe, historian and father of Halszka Wasilewska and of Wanda Wasilewska.

Leon Wasilewski

Leon Wasilewski (1870–1936) was an activist of the Polish Socialist Party (PPS), a coworker of Józef Piłsudski, Polish Minister of Foreign Affairs, designer of much of Second Polish Republic policy towards Eastern Europe, historian and father of Halszka Wasilewska and of Wanda Wasilewska.