Author of Chessed L'Avrohom.
Rav Avrohom Yissachar Dov was born in the year 1843 (תר"ג) in Radomsk to the founder of the Radomsk Dynasty, Rav Sholomo HaKohen Rabinowitz, who authored Tiferes Shlomo. He was named Avrohom after Rav Avrohom Dov Avritsher, author of Bas Ayin. Chassidim present at the bris testified that the rebbe, the Tiferes Shlomo, gazed into his baby son’s face and smiled with satisfaction over having brought down such a holy soul into this world.
At age 23 in the year תרכ"ו, he succeeded his father as rebbe of Radomsk, thus becoming head of the most important dynasties in Poland. Despite his youth, his brothers accepted his authority, and thousands flocked to him.
He was a great Torah scholar and a disciple of Rav Yisroel Yitzchok, Av Beis Din of Melava. He was known for his great ahavas Yisroel and his charitable nature. Rav Chaim Elazar Shapira of Munkacs met him in publicized a heartfelt eulogy for him Zichron Tzadikim.
His divrei Torah were published in two volumes named: Chessed L’Avrohom (on the Torah) and Moadim.
His sons were: Rav Yechezkel, who became his successor in Radomsk, author of Knesses Yechezkel; Rav Noson Nachum of Krimolov; Rav Yaakov Yosef of Kalobotzek, author of Emes L'Yaakov, Rav Moshe Elimelech Rabinowitz, and Rav Shlomo of Elkush.
His sons-in-law were: Rav Menachem Mendel Alter of Fabyanitz, Rav Avrohom Kalisch of Amshinov, and Rav Mordechai Menachem Kalisch of Otvozcek.
He passed away on the 13th of Elul, 1892 (תרנ"ב) at age 49 and was laid to rest beside his father in Radomsk.