(Ὀλβιάδης), the painter of a picture in the senate-house of the Five Hundred, in the Cerameicus, at Athens, representing Calippus, the commander of the army which repulsed the invading Gauls tinder Brennus, at Thermopylae, B. C. 279. (Paus. 1.3.4. S. 5.)
[P.S]A Dictionary of Greek and Roman biography and mythology
Smith, William
A Dictionary of Greek and Roman biography and mythology. William Smith, LLD, ed. 1890