Logographer, teacher of rhetoric and publicist from Athens, Erchia deme, son of Theodoros and Hedyto, 436-338 BC.
A. Biography
The biographical tradition concerning I., which goes back to Hermippus, is essentially documented in Dion. Hal. De Isocrate 1, Ps.-Plut. Mor. 836e-839d, an anonymous Life in a few MSS, Phot. 486b-488a and a Suda article s.v. I. In addition, there are biographical details in I.'s own works, particularly in Or. 15. As the so…