Complex sentence: Bartal received his PhD from Hebrew University in 1981, and focuses his research on the history of the Jews in Palestine, the Jews of Eastern Europe, the Haskalah Movement, and Jewish Orthodoxy.
Split into simpler sentences: Bartal received his PhD from Hebrew University in 1981. He focuses his research on the history of the Jews in Palestine, the Jews of Eastern Europe, the Haskalah Movement, and Jewish Orthodoxy.