Yisroel Zev Gustman (1908 - June 10, 1991) was a rabbi, and the last Dayan (rabbinic judge) in Vilna during World War II.
"[1] Yisroel Zev Gustman was born in Lithuania (then in the Pale of Settlement of the Russian Empire) in 1908.
At age 20 he married Sarah, a daughter of Rabbi Meir Bassin who had died shortly before the wedding; despite his age, Gustman inherited Bassin's positions of[1] both dayan in the Bais Din of Rabbi Chaim Ozer Grodzinski and Rosh Yeshiva of the Ramailes Yeshiva in Vilna.
[3][8] Instrestingly, as a form of payback that his life was saved by "the shelter of the bushes and the fruit of the trees" in a forest during the war, he personally acted as gardener in his own yeshiva in Israel.
[1] Gustman's main writings, entitled Kuntresei Shiurim,[10] some published posthumously by his son-in-law, were volumes on the following Talmudic tractates: