2.) The greatest masters of the time executed portraits of him, Lysippus in sculpture, Apelles in painting and Pyrgoteles in graven gems. Among surviving monuments, we have no completely certified portraits except the Tivoli herm (now in the Louvre) and the coins struck by his successors.
The herm is a dry work and the head upon the coins shows various degrees of idealization.
Of books which contain parts of Pappus's work, or treat incidentally of it, we may mention the following titles: (I) Pappi alexandrini collectiones mathematicae nunc primum graece edidit Herm.