Alcibiades Alcibiades is one of the most famous (or infamous) characters of Classical Greece. A young Athenian aristocrat, he came to prominence during the Peloponnesian War (429-404 BC) between Sparta and Athens. Flamboyant, charismatic (and wealthy), this close associate of Socrates persuaded the Athenians to attempt to stand up to the Spartans on land as part of an alliance he was instrumental in bringing Full description