Aeschylus . 525//455 BC) ancient Greek tragedian. often described as the father of tragedy-- Prometheus Bound. Fragments continue to be discovered on Egyptian papyrus; often giving us surprising insights into his work. One play [THE PERSIANS] the sadness the play created .......upon his death; around 456 BC; his epitaph commemorated his participation in the Greek victory at Marathon rather than his success as a playwright.