Mar 12, 1912: On this date, Polish Jewish resistance activist Ala Gertner was born. While a slave laborer at a munitions factory, she smuggled gunpowder to prisoners at Auschwitz to build grenades, who destroyed Crematorium IV & killed several SS officers. She was one of four women (the others being Róża Robota, Ester Wajcblum, & Regina Safirsztajn) hanged Jan 5 (or 6), 1945 for their role in the Sonderkommando Uprising.