Did *Any* Companion of Paul Write Luke and Acts?
I am circling around the ultimate question of this thread, whether Luke, the companion of Paul, wrote the Gospel of Luke and the Book of Acts. A big reason this matters: if Paul's companion, "the gentile physician," wrote Acts, he had first-hand knowledge of Paul's life and teachings. That would certainly increase the likelihood that he was giving an authoritative account! The first step to answering the question -- was it written by Luke? -- was to show that Paul never *mentions* Luke as a gentile physician in any of his undisputed letters. The second step involves asking the question of whether *any* companion of Paul – whether Luke or anyone else – wrote these books. The argument that a companion of Paul did write the books is based on the “we-passages” that I mentioned in the previous post. Now I want to advance the argument by saying that I don’t think the we-passages indicate that a companion of Paul wrote Acts (or, by inference, Luke) because I think there is good counter-evidence to indicate [...]

