Caduceus as a symbol of medicine a review of 257 of the works bearing this printer's device only one was related to medicine. Similar use of the caduceus in printers' marks continues to the present day, with companies including F. A. Davis Company still using the symbol as an element of their insignia. There are a few other examples of use in this period. It may have been used as a symbol by Sir William Butts, physician to Henry VIII. Similarly, physician John Caius, founder of Caius College, Cambridge, and at the time President of the Royal College of Physicians, during official visits to his eponymous
Caduceus as a symbol of medicine of which was the caduceus. The Guildhall Museum in London holds a 3rd-century oculist's seal with caduceus symbols both top and bottom. The seal was apparently used to mark preparations of eye medicine. It is believed likely that rather than being evidence of a medical association "per se", this is rather an allusion to the words of the Greek poet Homer who described the caduceus as "possessing the ability to charm the eyes of men", which relates to the business of an oculist. Walter Friedlander proposed that early association of the caduceus with medicine might have derived from the association