 He also taught an evening Gemara class to residents of Shaarei Chesed, the neighborhood in which he now lived, and learned each night with his brother-in-law, Rabbi Shlomo Zalman Auerbach.In 1937, he was asked to deliver a more advanced evening Gemara shiur in Shaarei Chesed, a class he taught for the next 25 years.In 1943, he became mashgiach ruchani at Yeshivat Tiferet Tzvi for young teens.