Archilochus

Archilochus (Greek: Ἀρχίλοχος) (c. 680 BC – c. 645 BC) was an Archaic period mercenary and poet, who is taken to be first person in the Western tradition to write lyric poetry in the first person. Although his work now only survives in fragments, he was revered by the ancient Greeks as one of their great lyric poets.

– from Wikipedia http://en.wikipedia.org/wiki/Archilochus