Years: 1822–1889
Primary city: Pietrekov
Rabbi Chaim Elazar Wachs was a Polish Chasidic rav and posek who served as rabbi of Piotrkow Trybunalski and later of Kalisz. He was known for his shu"t Nefesh Chaya and for his leadership of Kupat Rabbi Meir Baal HaNes Kollel Polen, through which he was active on behalf of the Jewish community in Eretz Yisrael.