'Old Oligarch' is a label often applied to the unknown author of the Athenian Constitution preserved with the works of Xenophon. Probably written in the mid 420s B.C., it is the earliest surviving Athenian prose text, and its author was probably a young pupil of the teachers known as sophists.

'Old Oligarch' is a label often applied to the unknown author of the Athenian Constitution preserved with the works of Xenophon. Probably written in the mid 420s B.C., it is the earliest surviving Athenian prose text, and its author was probably a young pupil of the teachers known as sophists.