הרב מרדכי יפה

Mordecai ben Avraham Yoffe was a rabbi, rosh yeshiva and posek. He is best known as author of Levush Malkhus, a ten-volume codification of Jewish law that particularly stressed the customs of the Jews of Eastern Europe. He is known as "the Levush" or "the Ba'al HaLevushim", for this work.