(Κύδιππος) of Mantineia, is mentioned by Clemens of Alexandria (Strom. i. p. 132) among those who had written on inventions (περὶ εὑρημάτων); but nothing further is known about him.
[L.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