Henry Stanley Plummer

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Henry Stanley Plummer, MD
Henry Stanley Plummer.jpg
Henry Plummer
Born (1874-03-03)March 3, 1874
Hamilton, Fillmore County, Minnesota
Died December 31, 1936(1936-12-31) (aged 62)
Rochester, Minnesota
Education Medical degree
Alma mater Northwestern University
Occupation internist and endocrinologist
Known for Mayo Clinic
Title Doctor
Spouse(s) Daisy
Children Robert and Gertrude
Relatives William A. Plummer (brother)

Henry Stanley Plummer, M.D. ((1874-03-03)March 3, 1874 – (1936-12-31)December 31, 1936) was a prominent internist and endocrinologist who, along with William Mayo, Charles Mayo, Stinchfield, E. Starr Judd, Christopher Graham, and Donald Balfour founded Mayo Clinic. Plummer is also immortalized as the driving force behind the Plummer Building, which still stands as a part of the Clinic he helped establish.


Early life and education[edit]

Plummer was born in Hamilton, Fillmore County, Minnesota. He earned his medical degree from Chicago's Northwestern University in 1898 and then returned to Racine, Minnesota to assist his father Albert Plummer in private practice.


The Plummer House.

Plummer became a partner in the Clinic practice in 1901, and William Mayo would later quip that hiring Plummer was the best day's work he had ever done.

Plummer's work in internal medicine and endocrinology led to several important advances in the specialty, including: Plummer-Vinson syndrome, Plummer's nails, treatment of goiters with iodine, Plummer's disease (second-most common cause of hyperthyroidism after Graves' disease), and Plummer's sign (used for diagnosis of Graves' disease).

In 1917, construction began on the Plummer House, the English Tudor mansion where Plummer and his family lived. The house was designed by Ellerbe & Round, and boasted many innovations that were rare at the time. Daisy Plummer gave the furnished house and property to the Rochester Art Center in 1971. Her wish was that the house and grounds would be used by the people of Rochester and Clinic guest as a Center for the Arts. This remarkable gift was later transferred to the Rochester Park and Recreation Department and is now used as a house museum and rental facility for special events.

Architectural detail representing Plummer on the Plummer Building.

Plummer was also a successful scientist and inventor. Traditionally, doctors kept patient notes in journals and were highly inconsistent in the amount of information written down. Plummer invented the modern "dossier" system that assigns each patient an ID and stores all that patient's information in a single folder chronologically. He, along with Frederick Maass of Maass & McAndrew, developed many highly innovative systems in the 1914 and 1927 Clinic buildings. Under the guidance of Plummer, the 1914 building allowed the integrated group medical practice concept to be fully expressed. Many highly innovative medical systems, tools, and equipment were incorporated into the building design. This was groundbreaking work, and the first building designed to facilitate the integrated group medical practice. Plummer worked closely with Frederic Maass, of Maass & McAndrew, to design and fabricate many of the building systems innovations like the steam sterilization rooms, metal surgical tools and equipment, pneumatic tube system, knee operated sinks, and a state of the art HVAC system. The air exchange rate for the building was three minutes. One intriguing innovation was the Rookwood fountain in the main lobby that was designed to clean and humidify air from the outside. It also heated and humidified air in the winter, and provided cool air in the summer. To fight infection, steam sterilizer rooms were designed to hold much of the operating rooms metal surgical furniture, tools and equipment. These and other aseptic procedures helped bring the overall patient infection rates down - which in turn helped grow the Mayo Clinic practice, along with its well earned reputation for innovation, into what it is today. In 1928, the Plummer Building was completed with considerable input from Clinic staff, and again under the guidance of Plummer. Maass again worked closely with Plummer and staff on system design. After this project was complete, Plummer was hired as the "Chief Engineer" for the Clinic. Working hand in hand with physicians, scientists and other Mayo Clinic staff, the engineering department developed unique medical devices and systems, many designed to meet the needs of individual patients.

He also directed the development of Mayo's clinical laboratories, as well as bringing in Louis B. Wilson[1] in 1907 to develop and manage the diagnostic and research labs, and was the first to utilize X-ray machines as a diagnostic tool at the Clinic. Will Mayo called Plummer "a pioneer in the development of X-ray diagnosis and therapy". But, perhaps one of his greatest contributions to medicine was the development and implementation of the integrated private medical group practice.

Plummer is considered by many to be the "architect of the modern medical practice."[citation needed][2] His innovative contributions to medical systems and building designs, as well as his early understanding of the importance of the diagnostic and research aspects of the clinical practice, allowed for the creation of the integrated group practice, as well as medical specialization.


Plummer died in Rochester, Minnesota. He was known to many as a diversified genius.[clarify][citation needed][3]


Plummer–Vinson syndrome is named after him and Porter Paisley Vinson. Plummer's nail refers to the separation of the nail from the nailbed which occurs in thyrotoxicosis and psoriatic arthritis.

Personal life[edit]

He had a wife, Daisy, and two adopted children, Robert and Gertrude. Henry Plummer's younger brother, William Albert Plummer, was also a prominent Mayo physician. The two Plummer brothers represented the next generation of medical practitioner, and helped usher in the modern medical age with innovations such as the integrated group practice and specialization.


  1. ^ Dr. Louis Wilson
  2. ^ "Dr. Henry Plummer – Londonderry News". Londonderry News. Retrieved 2017-05-25.
  3. ^ Willius, Fredrick A. (1960). Henry Stanley Plummer, a diversified genius Check |url= value (help). Springfield, Ill.: Thomas.