Ida Cannon (1877-1960) was a pioneer of medical social work Plastic Idler Pulley in American hospitals.She had a founding role in developing and professionalizing this medical social service.She positioned medical social workers among hospital factions generally hostile to her approach, e.g.the doctors and nurses, but drew on all her political skills in relentless negotiations to maintain the legitimacy of that field in BROWNIE COOKIES the hospital arena.