History of the Jews and Judaism in the Land of Israel almost a decade after the arrival of two of his pupils, R. Hayim of Vilna and R. Israel ben Samuel of Shklov. In all there were three groups of the Gaon's students which emigrated to the land of Israel. They formed the basis of the Ashkenazi communities of Jerusalem and Safed, setting up what was known as the Kollel Perushim. Their arrival encouraged an Ashkenazi revival in Jerusalem, whose Jewish community until this time was mostly Sephardi. Many of the descendants of the disciples became leading figures in modern Israeli society. The Gaon himself also set forth with his pupils
Haredim and Zionism Sephardi or Mizrahi rabbis is far lower than among Ashkenazi rabbis, and these constitute a small minority of the Sephardi Haredi leadership. The Sephardi Haredi political party in the Knesset is Shas, which represents the vast majority of Sephardi Haredim, and is headed by Aryeh Deri. In 2010, Shas joined the World Zionist Organization, and officially became the first Zionist Haredi party. The party's long-time spiritual leader, Rabbi Ovadia Yosef, opposed saying Hallel in the Yom HaAtzmaut prayer service, but writes that, "One may say Hallel after the completion of the prayers, without the blessing..." While in the past, when