(Θωμᾶς), a physician of the emperor Justinian, who was also a privy counsellor (ἀσηκρήτοις, or a secretis), and stood high in his favour. He was put to death for the part he took in the riots at Constantinople called Νίκα, A. D. 532. (Chron. Pasch. pp. 338, 340.)
[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