Known as the Kozhiglover Rav after his short term as Rav of Koziegłowy, he served as rosh yeshiva of the yeshiva in Sochaczew (Sochatchov) from 1910 to 1914 and rosh yeshiva of Yeshivas Chachmei Lublin, the premier yeshiva of Poland, from 1934 to 1939.
Koziegłowy, Greater Poland Voivodeship, an urbanized village adjoining Poznań (west-central Poland)
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Koziegłowy, Konin County in Greater Poland Voivodeship (west-central Poland)