הרב יחזקאל לוינשטיין

Rabbi Yechezkel Levenstein known as Reb Chatzkel,, was the mashgiach ruchani of the Mir Yeshiva, in Mir, Belarus and during the yeshiva's escape to Lithuania and on to Shanghai due to the invasion of Poland by Nazi Germany in World War II. He was a leader of several yeshivas in Europe, the United States, and Israel.