(Κλαύδιος Γαληνός), commonly called Galen, a very celebrated physician, whose works have had a longer and more extensive influence on the different branches of medical science than those of any other individual either in ancient or modern times.
[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