MOSES ben ISRAEL LAZARAUS = Rabbi Moses Isserles (ReMA)110 Founded a Yeshiva and was its Rosh Jeshivah (President) for life. Author of " DARKHE MOSHE" the ashkenazi viepoint of Josef Caro's spehardic Halachic tradition. Codifier of ashkenazi traditions. Through his additions, the "SHULCHAN ARUCH" became the authoritative work among the Ashkenazim.110

For more details of his important contribution to Jewish thought see the extract from the Jewish Encyclopaedia http://www.jewishencyclopedia.com/view.jsp?artid=3...%20israel%20isserles