(*) Lucius Flavius Arrianus 'Xenophon' (c. 92-c.175), known in English as Arrian , and Arrian of Nicomedia, was a Greek historian and philosopher of the Roman period. (*) Dio Chrysostom , Dion of Prusa or Dio Cocceianus ( c. 40 – c. 120 ) was a Greek orator, writer, philosopher and