He was a major driving force behind the exodus of thousands of young men in Mir, Kletsk, Radin, Novhardok, and other yeshivas, via Russia and Japan to Shanghai at the outbreak of World War II.
Among these are Rabbi Yosef Leib Bloch, the Rabbi and Rosh Yeshiva of Telz, Rabbi Yeruchom Levovitz the Mashgiach of Mir, Rabbi Yosef Yoizel Horowitz of Novhardok, Rabbi Elya Lopian of the Knesses Chizkiyahu Yeshiva in Israel, and Rabbi Chaim Yitzchak Hacohen Bloch the chief rabbi of Bausk and Plunge.