Mayo, Charles Horace (1865-1939), was a prominent American surgeon. He helped his father and his older brother, William, found the Mayo Clinic in Rochester, Minnesota (see Mayo Clinic ). Mayo and his brother pioneered the use of medical group practice at the clinic. They also started the Mayo Foundation and the Mayo Graduate School of Medicine.
Mayo was born in Rochester. He graduated from Chicago Medical College (now Northwestern University Medical School) in 1888. Mayo was best known for his skill in thyroid surgery. He was professor of surgery at the University of Minnesota Medical School from 1915 to 1936. He was president of the American Medical Association in 1917 and the American College of Surgeons in 1925. Mayo also served in the armed forces during World War I (1914-1918) and became a brigadier general in the medical reserve in 1921.
