<P> Furthermore, there are linguistic and theological similarities between the Luke and Acts . As one scholar writes, "the extensive linguistic and theological agreements and cross-references between the Gospel of Luke and the Acts indicate that both works derive from the same author". Because of their common authorship, the Gospel of Luke and Acts of the Apostles are often jointly referred to simply as Luke - Acts . Similarly, the author of Luke - Acts is often known as "Luke"--even among scholars who doubt that the author was actually named Luke . </P> <P> Views concerning the author of Luke - Acts typically take the following forms: </P> <Ul> <Li> Traditional view - Luke the physician as author: the traditional view that both works were written by Luke, physician and companion of Paul . </Li> <Li> Critical views - Anonymous non-eyewitness: the view that both works were written by an anonymous writer who was not an eyewitness of any of the events he described, and who had no eyewitness sources . Or Redaction authorship: the view that Acts in particular was written (either by an anonymous writer or the traditional Luke), using existing written sources such as a travelogue by an eyewitness . </Li> </Ul> <Li> Traditional view - Luke the physician as author: the traditional view that both works were written by Luke, physician and companion of Paul . </Li>

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