Distribution of Negro physicians in the United States.

The distribution of Negro physicians in the United States has not been the subject of study since 1932, when Lewis, 1 using the directory of the American Medical Association and through questionnaires to various medical schools, investigated this subject. During the early part of 1942 the opportunity for such study presented itself again. Col. Campbell C. Johnson, executive assistant to the director of the Selective Service System, was desirous of obtaining information concerning the present distribution of Negro physicians in the United States for use in connection with certain specific problems arising in the Selective Service System. As a member of the National Medical Advisory Board of this agency, I was asked to develop a plan whereby this information could be obtained. The following procedure was suggested and subsequently used: The mailing list of the National Medical Association, a national organization of Negro physicians, was first obtained and checked