William George MacCallum
Born: 18 April 1874, Dunnville, Ontario
Died: 3 February 1944, Baltimore, Maryland
- BA: University of Toronto, 1894
- MD: Johns Hopkins Medical School, 1897
- 1898 - 1907 Assistant and Associate Professor of Pathology, Johns Hopkins (under Dr. Welch)
- 1908 Professor of Pathological Physiology, Johns Hopkins 1909 - 1917 Professor of Pathology, Columbia University
- 1917 - 1943 Chair of Pathology, Johns Hopkins (when Dr. William Welch stepped down to assume the Directorship of the School of Hygiene and Public Health)
Selected Career Highlights
His research covered a wide variety of subjects (173 articles).
Made notable contributions related to malaria. As a medical student, made major contributions to the knowledge of malaria (identifying and interpreting the phenomenon of flagellation).
Made notable contributions to the function of the parathyroid glands (tetany secondary to hypocalcemia).
Traveled extensively and used his trips to broaden his knowledge of pathological anatomy (performing many autopsies and bringing back many specimens for further study).
Wrote the definitive Textbook of Pathology (1916).
Wrote extensively about history of medicine and a biography of William Stewart Halsted.
In 1905 developed practical and innovative courses in pathological physiology at Johns Hopkins.
Several lesions named after him including the cardiac "MacCallum placque".