Career
He founded the Zidichov Hasidic dynasty. He was a disciple of rabbis Moshe Leib of Sassov, Menachem Mendel of Rimanov, the Maggid of Koznitz and Seer of Lublin. Among Rabbi Tzvi Hirsh"s students were Rabbi Yitzchak Isaac of Komarna, Rabbi Tzvi Elimelech of Dinov (the Bnei Yisaschar), Rabbi Yitzchak Isaac of Zidichov, Rabbi Shimon of Yaruslav, and Rabbi Shalom of Kaminka.
He made a tremendous effort in encouraging Jews to study these works.
His book Ateret Tzvi includes his commentary on the Zohar. In his book Sur Mei"ra Ve"asei Tov (lit, "refrain from evil and do good"), he shows the path to spiritual growth with the assistance of Zohar study and the Kitvei Ari.
Rabbi Yitzchak Isaac of Komarna writes in one of his books that the soul of his teacher Rabbi Tzvi Hirsh is "from the root of the soul of Rabbi Chaim Vital, which is close to the soul of Rabbi Akiva". The righteous Jews of his generation said he had the soul of the famous Yenukah, mentioned in the Zohar portion of Balak.