Historic Figures of the Arthurian Era

The author has determined in an earlier McFarland book ( The Historic King Arthur , 1996, paperback 2007) that there was not a historic King Arthur during the sixth century. However, as listed in The Historia Brittonum , there was a "great king of all the kings of Britain" named Ambrosius Aurelianus who was conflated with a heroic Arthur of the second century, and hence with the legendary King Arthur. To further authenticate the Celtic/Romano "King Arthur,"--that is, Ambrosius--the author here e