Dr. John Thomas, Jr., M.D. was a renowned clinician, epidemiologist, and research scholar who taught at Meharry Medical College for more than half century. When this photograph was made, he had just been appointed Research Collaborator at Brookhaven National Laboratory, where he was engaged in a study of the precursors of hypertension and coronary artery disease.
Commemorate black history month by learning a bit more about Dr. Thomas, a true groundbreaker in the American medical community. This image comes from the Science Service Collection, a not-for-profit founded to increase and improve the public dissemination of scientific and technical information.