（Κλεάνθης), the name of a freedman of Cato the Younger, who was also his physician, and attended him at the time of his death, B. C. 46. (Plut. Cat. ad fin.) [W.A.G]
William Smith. A Dictionary of Greek and Roman biography and mythology. London. John Murray: printed by Spottiswoode and Co., New-Street Square and Parliament Street. In the article on Soranus, we find: "at this present time (1848)" and this date seems to reflect the dates of works cited. 1873 - probably the printing date.