4. A contemporary and personal acquaintance of Galen, in the latter part of the second century after Christ. (Galen, de Meth. Med. 6.6. vol. x. p. 454.)
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.