Was Luke the only person who didn't know Jesus to wrote a book in the bible?

Answer 1

We first have to assume that you mean the New Testament, as the Old Testament was written long before the time of Jesus, so, apart from prophesies about him, Jesus is not mentioned, or known, by any of the authors.

In the New Testament, all the books with the exception of Mark and Luke's gospels and the letter to the Hebrews were written by people who had met or knew Jesus in person.

There are those accredited to disciples (eg John, Peter, Matthew and Jude) and of course many letters written by Paul, that were written by people who had had an encounter with jesus.

John Mark - the probably author of Mark's gospel, is an enigmatic figure. Some believe that he was one of the '72' whom Jesus sent out to surrounding villages to prepare for his visits - and, if true, would mean that he had known Jesus. However, some equate him with an early Church leader and friend of Paul, John Mark, and, if so, it is ncertain whether or not he would have met Jesus.

Luke, however, was a Gentile doctor and not a Jew. A friend of Paul, he had never met Jesus bit was commissioned, as a learned man, to write down systematically and accurately the history surrounding Jesus (Luke's gospel) and the early Church (the book of Acts). Many believe that through Paul he had access to Peter and John and hence to Mary (as John took her into his home afyer Jesus' execution) and so in Luke we have the birth stories as a result.

Although the letter to the Hebrews has been atributed to Paul by some, it is unlikely to have been written by him. The actual writer is unknown. Therefore we cannot say whether or not the author knew Jesus.