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 whereas 63% used a caduceus). Friedlander felt it likely that this might reflect the fact that "professional medical organizations have more often sought a real understanding of the meaning of the two symbols whereas commercial organizations have been less interested in the historical basis of their logo or insignia and more concerned with how well a certain symbol will be recognized by the iconographically unsophisticated audience they are trying to attract to their wares." The use of the caduceus in a medical context has long been frowned upon by many professionals, academics and others who are familiar with the historical