(Εὐελπίδης), a celebrated oculist in the time of Celsus, about the beginning of the Christian era, several of whose medical formulae have been preserved. (Cels. de Med. pp. 120, 122, 123, 124.)
[W.A.G]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