Diogenes of Sinope (/daɪˈɒdʒəˌniːz/; Greek: Διογένης ὁ Σινωπεύς, Diogenēs ho Sinōpeus) was a Greek philosopher and one of the founders of Cynic philosophy. Also known as Diogenes the Cynic (Ancient Greek: Διογένης ὁ Κυνικός, Diogenēs ho Kunikos), he was born in Sinope (modern-day Sinop, Turkey), an Ionian colony on the Black Sea,[1] in 412 or 404 BC and died at Corinth in 323 BC.[2]