The third Gospel and the Acts are in fact two volumes of the same work, written by the same author at more or less the same time. But when, precisely, did Luke – who we have already argued was the author – compose these volumes? The terminus ad quo, the earliest possible date, would be around 60 ce, when Paul suffers imprisonment in Rome. The terminus ad quem would be in the 130’s, when the gnostic Marcion demonstrates knowledge of Luke’s gospel. (more…)