Hirsch Wasser was born in Suwalski. He was a lawyer and economist and one of the leaders of the Poale Zion movement. As a refugee from Lodz, he was also secretary of the Central Committee for Refugees(Jewish Self-Help Committee. ) Thanks to his initiatives, the clandestine archives received news from all over Poland. He also directed the department of archives concerning other ghettos than Warsaw. Abrasha Blum's wife assisted him in this task. He worked with the underground press and took part in meetings of the clandestine youth movements. As one of the rare survivors of the Oneg Shabbat, he was able to locate the hiding place of the Clandestine Archives. Later, he emigrated to Israël ,where he died on 6 December 1981.
