Theudas
or THEIO'DAS or THE'ODAS (Θευδᾶς or Θειώδας or Θεοδᾶς).
1. A physician belonging to the sect of the Empirici (Galen, De Meth. Med. 2.7, vol. x. p. 142), who is perhaps the person mentioned by Diogenes Laertius (9.116), as being a native of Laodiceia, a pupil of Antiochus of Laodiceia, and a contemporary of Menodotus, about the beginning of the second century after Christ.
From William Smith (ed.), Dictionary of Greek and Roman Biography and Mythology. Text provided under a CC BY-SA license by Perseus Digital Library, http://www.perseus.tufts.edu, with funding from the National Endowment for the Humanities and Tufts University. Data accessed from https://github.com/PerseusDL/canonical-pdlrefwk/ on 17 October 2026.