4th generation Breslov Chasid and mentor of Rabbi Yisroel Odesser.
Rabbi Yisroel Halpern, also known as Yisroel Karduner (? -1920) was a Breslev Rabbi that lived in Safed, Israel and served Hashem with intense devotion. He brought a number of people close to the Breslev Hasidic group including Rabbi Yisroel Ber Odesser. A number of Breslev books were reprinted by Rabbi Yisroel Karduner and he also composed a number of well known Breslov songs. He was held by many to be one of the thirty six hidden tzadikim.
Hillulah: 9th of Cheshvan