Which hero from Greek mythology traveled to the Underworld to rescue his wife?

Yes but this did not end happily. Orpheus agreed never to look back at his wife until he was out of the underworld. Just before reaching the outside he looked back and she was taken from him once again.

Cookie Bean, how'd figure that, cos if I'm correct, job's wife turned into a pillar of salt, was not taken back to the underworld.

baymax, you are partly correct. She wasn't taken to the 'underworld', but the Bible story is about Lot's wife turning into a pillar of salt, not Job's.

how is that the answer