Rabbi Mordechai Hager zt"l,

Rabbi Mordechai Hager zt"l, born in 1922, was the Vizhnitzer Rebbe in Monsey until his passing in 2018.[7][8] Following the death of his father Rabbi Chaim Meir Hager of Bnei Brak, Israel, tens of thousands of Vizhnitz hasidim followed him. At the time of his passing, he was the oldest hasidic rabbi in the world. He was known for his devotion to learning Torah: he studied 18 hours a day and asked his Chasidim to study at least two hours every day. He had about 30,000 followers internationally.[9]