Caduceus as a symbol of medicine worth noting that hospital stewards were not physicians; they played a supporting role preparing drugs for surgeons, supervising nurses and cooks, maintaining accounting and medical records, and in emergencies sometimes performed minor surgery or provided prescriptions. Later, in 1871, the Surgeon General designated the caduceus as the seal of the Marine Hospital Service (destined to become the U.S. Public Health Service in 1912). Gershen states that the change was for aesthetic reasons, whereas Friedlander states the caduceus was adopted by the Marine Hospital Service "because of its relationship with merchant seamen and the maritime industry". The caduceus was formally adopted
Caduceus as a symbol of medicine controversy. "The Army and Navy Register" of 28 June 1902 discusses the argument, which reflects the fact that a number of medical officers were unhappy with the choice. The article editor claims that the symbol was not chosen for its medical connotations and proposes the following symbolic interpretation: "the rod represents power, the serpents stand for wisdom and the two wings imply diligence and activity, qualities which are undoubtedly possessed by our Medical officers." The editor also points out that the majority of Medical Corps personnel are not even doctors. According to this line of reasoning, the caduceus was never