David Wdowinski
David Wdowinski was born in 1895 in Będzin, Poland. He was a psychiatrist and in the Second Polish Republic until the 1939 invasion of Poland by Nazi Germany. After the invasion, Wdowinski became a political leader of the Jewish resistance organization called Żydowski Związek Wojskowy (Jewish Military Union, ŻZW) active before and during the Warsaw Ghetto uprising.