Ala Gertner, referred to in other sources as Alla, Alina, Ella, and Ela, was one of four women hanged in the Auschwitz concentration camp for her role in the "Sonderkommando" revolt of October 7, 1944. Wikipedia
The definitive Wikipedia entry for Ala Gertner. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Ala_Gertner