Rav Itzele Blazer

Rav Itzele Blazer - R’ Yitzchak Blazer (1837-1907), Russia, Eretz Yisrael; Student of Rav Usirael Salanter and early leader of the Musar movement, often referred to as Rav Itzele Peterburger due to his position as Chief Rabbi of St. Petersburg at a time when it was the capital of Russia.