Conversation so far:
where did Israel Finkelstein study?
From 1976 to 1990 Finkelstein taught at the Department of Land of Israel Studies, Bar-Ilan University, beginning as a teaching assistant.
what did he teach?
He spent the academic year of 1983-84 in a research group led by Prof.
Yigael Yadin in the Institute of Advanced Studies in the Hebrew University, Jerusalem.

Question: what subject did he teach?
Self-contained rewrite: what subject did Israel Finkelstein teach?