The works of Galen of Pergamum (c. 129-216 CE) were fundamental in the shaping of medicine, philosophy, and neighboring areas of knowledge from antiquity through to the middle ages and early modern times, across a variety of languages and cultures. Yet as early as Galen's own lifetime, spurious treatises crept into the body of his authentic works, despite his best efforts to provide the public with a catalogue of his own production (De libris...