Complex sentence: In 1950, Etzioni studied in a special academic institute established by Martin Buber, and in 1951 enrolled in the Hebrew University of Jerusalem, where he studied classical and contemporary works in sociology, completing both BA and MA degrees.
Split into simpler sentences: In 1950, Etzioni was enrolled in a special academic institute established by Martin Buber. In 1951, he attended the Hebrew University of Jerusalem where he studied classical and contemporary works in sociology, completing both BA and MA degrees.