Yitzchak Meir Alter

Yitzchak Meir Rotenberg-Alter (, Hebrew , born 1799, died March 10, 1866), was the first Rebbe of the Ger Hasidic dynasty, which he founded in the town of Góra Kalwaria (known as "Ger" in Yiddish), Poland. He headed the Kupath Rabbi Meir Baal Haness Kollel Polen (Poland) Varsha (Warsaw) (Hebrew קופת רמבעה"ן כולל פולין ורשה / וארשא). He was also known as The Chiddushei HaRim for his Torah writngs, and was sometimes fondly called Reb Itche Meir (Yiddish) by his followers.