Rabbi
Rabbi Boruch Ber Leibowitz רבי ברוך בער לייבאוויטש זצ"ל
Rosh yeshiva of Kamenitz and author of "Birkas Shmuel"
✏️ Edit / add infoRabbi Boruch Ber Leibowitz (1862–1939) was one of the greatest students of Reb Chaim Brisker and rosh yeshiva of Knesses Beis Yitzchak in Kamenitz. His "Birkas Shmuel" is learned in yeshivas worldwide.
Contents (3)
Reb Chaim's student
Rabbi Boruch Ber was born in 1862 in Slutsk and learned for years under Reb Chaim Brisker [1]. He treated every word of his rebbe as holy and passed it on with great love.
Kamenitz
He led the Knesses Beis Yitzchak yeshiva, first in Slabodka and from 1926 in Kamenitz, drawing students from all of Lithuania and Poland [1]. His novellae are printed in "Birkas Shmuel" [1].
A life of Torah
He learned with such fervour that he forgot everything around him. During the war he fled with the yeshiva to a suburb of Vilna and passed away soon after, in 1939; he is buried in Vilna [1].
Sources
- Baruch Ber Leibowitz — Wikipedia (accessed October 20, 2026)
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Last updated: October 20, 2026. Spotted an error? Let us know.

The Brisker Rav (Rabbi Yitzchok Zev Soloveitchik)
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