Rabbi Moshe Isserles was an exceptionally important Polish Jew of the 16th century. His commentary on the Code of Jewish Law brought Sephardic and Ashkenazic Jewry together to an unprecedented degree, and established the ascendancy of Polish Jewry over the older German community. Part of theThis Week in Jewish History series by Dr. Henry Abramson, more videos available at www.jewishhistorylectures.org.