Dionysius of Halicarnassus

Dionysius of Halicarnassus, a Greek historian and rhetorician of the age of Augustus; came to Italy in 29 B.C., and spent 27 years in Rome, where he died; devoted himself to the study of the Roman republic, its history and its people, and recorded the result in his “Archæologia,” written in Greek, which brings down the narrative to 264 B.C.; it consisted of 20 books, of which only 9 have come down to us entire; he is the author of works in criticism of the orators, poets, and historians of Greece.

Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)