Charles Horace Mayo
CHARLES HORACE MAYO (1865-1939) was born in Rochester, Minnesota. In partnership with his brother, William J. Mayo, he began the group practice of medicine and surgery which resulted in the formation of the Mayo Clinic and Mayo Foundation. He received the degree of M.D. in 1888 from Northwestern University and in 1889 from New York Polyclinic. He was recognized as a leader and held the following offices in professional organizations: American Medical Association - President, American College of Surgeons - President, American Surgical Association - President. He was recognized internationally for surgery, especially surgery of the thyroid.