"Prometheus Bound", perhaps the most famous treatment of the myth to be found among the Greek tragedies, is traditionally attributed to the 5th-century BC Greek tragedian Aeschylus. At the centre of the drama are the results of Prometheus' theft of fire and his current punishment by Zeus. The playwright's dependence on the Hesiodic source material is clear, though "Prometheus Bound" also includes a number of changes to the received tradition. It has been suggested by M.L. West that these changes may derive from the now lost epic Titanomachy