sentences:  He began teaching at the University of Wales, Lampeter as lecturer in Theology & Religious Studies in 1991 before moving to his current position at Bristol in 1996.Campbell's main research work is on Second Temple Judaism in general and on the Dead Sea Scrolls from Qumran in particular.Because these Scrolls have such important repercussions across several interrelated disciplines, he is also interested in the emergence of both Rabbinic Judaism and Christianity out of the Judaism of the Second Temple period (circa 515 BCE - 70 CE).