Why Was the Gospel of Luke Attributed to Luke?

So far I have tried to explain why, in the proto-orthodox church of the second century, the Gospels of Matthew and John came to be attributed to two of the disciples of Jesus. My thesis is that an edition of the four Gospels appeared in Rome sometime in the second half of the century and that it differentiated the four Gospels by indicating which was “according to” whom. I now can address the question of how the other two Gospels were given their names, and why they were not assigned to disci...