ASPECIALIST, in return for the privilege of confining himself to a restricted area in medicine, should consider himself obligated to do two things: (1) push back to some degree the boundaries of the unknown in his specialty and (2) crystallize what is reasonably certain knowledge in the field and teach it to other physicians.
It is the second of these that I propose to speak about. We shall see that the dissemination of knowledge is a two-way street. Presented here is a study of psychiatry in its attempt to build a cross-fertilization relationship with other branches of medicine. It is a fact, I think, that psychiatry among all specialties today is working harder at this matter of attempting to teach nonpsychiatrist physicians what is reasonably certain knowledge that can be used by them in their work with patients.
Perhaps the reason that psychiatry is so outstanding in the amount of