Avraham Dov-Ber Kahana Shapiro was the last Chief Rabbi of Kovno and the author of Devar Avraham, a three-volume collection of responsa.

Yeshivas Etz Ḥayyim, commonly called the Volozhin Yeshiva, was a prestigious Litvish yeshiva located in the town of Volozhin in the Russian Empire. It was founded around 1803 by Chayim Volozhiner, a s