11 Av - Yartzeits

R' Hillel ben R' Meir HaLevi Malisov, best known as Reb Hillel Paritcher (1864) was a talmid of the Bas Ayin, Chenobyler Magid, Miteler Rebbe and Tzemach Tzedek. He was one of the greatest tzadikim in Chabad at the time and was like a Rebbe in his own right. He authored Pelach Harimon, Imrei Noam, Likutei Biurim and Maamar Hishtatchus.

R' Yitzchak Blazer of St. Petersburg (1907) was a talmid of R' Yisroel Salanter. He wrote Ohr Yisroel, based on his Rebbe's letters and Pri Yitzchok (1907)