Radiology is one of the youngest of the medical specialties, yet it wields an influence in organized medicine far in excess of its years. The diagnostic division occupies a cardinal place in almost all branches of medical science, for without a dependable roentgen diagnostic service accurate general medical diagnosis becomes exceedingly difficult and often impossible. A specialty has as its major purpose the better accomplishment of certain functions than is possible where the field of endeavor is less limited. If there be need for the specialty under consideration and if the services entailed are available, from the economic standpoint, to the majority of those requiring them, success is assured. That the specialty of Radiology fills a great need is attested by its growth and the dependence placed upon the radiologist by his fellow physicians. The development of the science of Radiology is of interest. We are all familiar with the history of the discovery of what William Conrad Roentgen, a physicist, ter...