Euphorion, the son of Aeschylus, is often credited as the author of "Prometheus Bound." This attribution is based on circumstantial evidence, such as the play's inclusion in the Alexandrian canon of Aeschylus' works and the stylistic similarities between "Prometheus Bound" and other Aeschylean tragedies.
The Timeless Tragedies of Aeschylus: Unveiling the Prodigy of 5th Century BC