Rabbi Yitzchak Isaac Sher הרב יצחק אייזיק שר | |
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| Personal | |
| Born | 1874/1875 |
| Died | February 6, 1952 |
| Religion | Judaism |
| Spouse | Maryasha Gittel Sher (née Finkel) |
| Children | Chaya Miriam Shulman R' Yosef Sher |
| Parents |
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| Denomination | Orthodox Judaism |
| Jewish leader | |
| Predecessor | Rabbi Moshe Mordechai Epstein |
| Successor | Rabbi Mordechai Shulman |
| Position | Rosh yeshiva |
| Yeshiva | Slabodka Yeshiva, Lithuania Slabodka Yeshiva, Bnei Brak |
| Began | 1928 |
| Ended | 1952 |
| Yahrtzeit | 10 Shevat |
Rabbi Yitzchak Isaac Sher was the rosh yeshiva of the Slabodka Yeshiva in Lithuania and Bnei Brak. He was the son-in-law of Rabbi Nosson Tzvi Finkel, the Alter of Slabodka.