Lives of Famous Romans Author:Olivia Coolidge Great biographies about Cicero, Caesar, Augustus, Vergil, Horace, Nero, Seneca, Trajan, Hadrian, Marcus Aurelius, Diocletian, and Constantine are included in Lives of Famous Romans by Olivia Coolidge. One of the best ways to understand the ancient world of Rome is to study these famous Romans who shaped the Empire and the world.