Ancilla to the Pre-Socratic Philosophers, by Kathleen Freeman, [1948], at sacred-texts.com

39. PHALEAS OF CHALCÊDÔN AND HIPPODÂMUS OF MILÊTUS

Phaleas of Chalcêdôn: exact date unknown.

Hippodâmus of Milêtus: active during the middle of the fifth century B.C.

No writings survive.