Given name: Chaim Family name: Frymer

In the bunker at Mila Street No. 18; together with Cywia Lubetkin, he escorts Helena Rufeisen-Schupper and other people crossing to the "Aryan side" through the sewers to the bunker at Franciszkanska Street No. 22. He comes back at Mila Street No. 18 after the bunker has been exterminated. He meets a small number of survivors in the ruins (Tosia Altman was among them). They go to Franciszkanska Street No. 22.