2. A native of Colophon, a learned geometer mentioned by Proclus. (Comment. ad Euclid, lib. i. p. 19. ed. Basil.) He was one of the immediate predecessors of Euclid, and the discoverer of several geometrical propositions.
[C.P.M]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