Given the task definition and input, reply with output. In this task you will be given a text passage from a trivia quiz. You should choose the category this question belongs to from these categories: History, Science, Social Science, Fine Arts, Literature. You can only choose one category, so if in doubt, please choose the closest match.

This man killed Agenor and his army of two hundred when they attempted to stop his wedding. He was raised by the fisherman Dictys, whom he made ruler of the island of Seriphus. While participating in some funeral games, this man accidentally struck and killed his grandfather Acrisius with a discus. (*) Polydectes, in an attempt to marry his mother Danae, sent this man on a quest, during which he received a magic wallet from Hermes, a helm of invisibility from Hades, and a reflective shield from Athena. After killing a mortal sister of Stheno and Euryale, this man married the princess Andromeda. For ten points, name this Greek hero who slew the Gorgon Medusa.
Social Science