Teacher’s Diploma, David Yellin Teachers Seminary, Jerusalem
1928–30
Teacher, Reali Elementary School, Haifa
1930–31
Student, University of Pennsylvania
1935
Ph.D., Johns Hopkins University, Phi Beta Kappa
1936
Marries Ruth Frankel
1935–37
Thayer Fellow, American School of Oriental Research, Jerusalem; excavates at Ras el-Kharrubeh; Tel Jerishe, near Tel Aviv; Tell el-Kheleifeh, near Aqaba; Irbid, Jordan; Tepe Gaura, near Mosul; and Khafaje, near Baghdad
1937–45
District Officer, Beth-Shean Valley, Government of Palestine
1946
District Officer, Jerusalem, Government of Palestine
1948
Deputy Military Governor, Jerusalem, Government of Israel
1949–55
District Commissioner, Jerusalem, Government of Israel
1951–
Chairman, Israel Government Names Committee
1955–58
Consul-General of Israel for 11 western states, Los Angeles
1958–61
Director, Armistice Affairs, Jerusalem
1961–74
Director, Israel Department of Antiquities and Museums
1966–
Begins excavations at Tel Dan
1974–
Director, Nelson Glueck School of Biblical Archaeology, Hebrew Union College-Jewish Institute of Religion, Jerusalem; continues excavations at Tel Dan; directs excavations at Ira and Aroer, in the Negev; Yesud Hamaalah, in Galilee; and Anathoth, near Jerusalem