[2][3] Ruzia, along with a number of prisoners including Estusia (Ester) Wajcblum, Hanka (Anna) Wajcblum, Regina Safirsztajn, Ala Gertner, Hadassa Zlotnicka, Marta Bindiger, Genia Fischer, and Inge Frank, worked together to sneak the powder out in kerchiefs stuffed into a pocket or their bosom.
Robota then gave the gunpowder to the Sonderkommando, a group of death camp prisoners who were forced to dispose of gas chamber victims in the crematoriums.
[10] While in the camp, she traded bread for paper so that she could write notes while in Auschwitz, in order to bear witness later, heeding her father's admonition to remember what happened.
[11] Grunapfel emigrated to the US in 1946 aboard the first civilian ship from Europe since the end of World War II.
Subsequently, she settled in Bensonhurst, Brooklyn, New York, married Irving Meth, and raised three sons.