Rich Hill Plantation 3 May 2023 Photo by Michael Mazzeo Friends of Rich Hill |
Brown spent a few months after graduation working in hospital wards in London. He then returned to Maryland and set up a medical practice at his Nanjemoy plantation. He remained there until around 1780, when he purchased Rose Hill near Port Tobacco. He planted a large botanical garden at Rose Hill using many of the plants for medicinal purposes. Brown also established a small medical school at Rose Hill, teaching about 10 young men at a time. According to tradition he had a brick building on the property that served as his office and, which had a dissecting room in the basement.
Rose Hill the home of Dr. Gustavus Brown 1933 HABS Photographic |
Benjamin Rush Thomas Sully, 1812 National Portrai Gallery Washington, D.C. |
Gustavus Brown continued to practice medicine until he died on the 27 September 1804. His estate probate inventory (dated 22 October) includes a list of the books in his library, which give us insight into the education and interests of this late eighteenth-century physician. Brown’s library contained works by 45 authors that comprised 124 volumes, an additional 21 volumes of bound literary periodicals with pieces by multiple authors, and a “parcel of pamphlets.” The contents of the books may be generally divided into ancient history and literature, general history, literature, poetry, philosophy, mathematics, and natural philosophy (as science was then known).
Title Page of Thomas Short's Observations |
The parcel of pamphlets listed in the inventory are not described, however, it is possible that they included medical treatises as well as Brown’s own notes from courses he had attended at Edinburgh. Four of his notebooks are currently held by the Bernard Becker Medical Library Archives at the University of Washington in St. Louis. These notebooks include lectures by William Cullen on physiology, Cullen’s practice of physic, and Dr. Thomas Young’s lectures on midwifery. The lectures on physic (or the practice of medicine) and midwifery were clinical lectures given in the Royal Infirmary in Edinburgh. Another of the items within the parcel may have been Brown’s dissertation, entitled De ortu animalium caloris (about the origin of heat of animals). The title indicates that it considers humoral medicine in light of the Roman physician Galen’s vital heat theory which identified life with innate heat. Health depended on the lungs and respiration maintaining the right degree of vital heat so that the balance between the four humors was maintained.
The four humors as described by Hippocrates and Galen were Black Bile (Earth), Phlegm (Water), Blood (Air), and Yellow Bile (Fire). Each patient had a unique humoral makeup. When the humors were in balance they were in a state of eucrasia, or a normal state of health. Dyscrasia occurred when there was imbalance in the humors, which resulted in pain and discomfort. The duty of the physican was to return the patient to eucrasia. A change in the properties of the humor - hot, cold, wet, or dry - caused an imbalance. Despite the fact that Robert Boyle’s Sceptical Chymist (1661) denied the validity of the classical four elements, humoral medicine was still based on this view of the world. It should be noted that none of Boyle’s books were included in Brown’s library.
Title Page of Gustavus Richard Brown's 1768 Dissertation |
Dr. Brown’s holdings in botany include volumes by the Roman authors Pliny the Elder and Marcus Terentius Varro. Pliny’s 37 book Naturalis Historia is generally printed as 10 volumes by modern printers (including those of the eighteenth century). The inventory does not say which of the volumes are included in Dr. Brown’s library but the two most likely to have been part of his holdings were modern volumes V and VI which cover Pliny’s books 12 through 32. The subject matter of these two volumes is primarily botany and medicinal plants, with additional information about agriculture and horticulture. Brown also owned 2 volumes of Varro’s Rerum Rusticarum Libri Tres (Three Books of Rural Topics or On Agriculture). Varro warned about the dangers of miasmas rising out of low places and swamps, there he wrote “…are bred certain minute creatures which cannot be seen by the eyes, but which float in the air and enter the body through the mouth and nose and cause serious diseases.” In some ways Varro prefigured germ theory. This miasma theory was still prevalent during the eighteenth century and it often prevented physicans from understanding the true causes of diseases such as yellow fever. This was particularly the case in the first decade of the nineteenth century when yellow fever ravaged Philadelphia, Baltimore, and Washington. Dr. Brown’s classmate Dr. Benjamin Rush believed that miasmas or foul orders arising from the city wharves caused the fever. What he failed to recognize was that the mosquitoes prevalent in the city that summer were the carriers of the deadly disease. The further away from the city one went, the fewer the mosquitoes and the less likely one was to be infected.
Bloodletting Instruments L’Encyclopédie ou Dictionnaire raisonné des sciences, des arts et des métiers Denis Diderot 1751 and 1772 The National Library of Medicine Bethesda, Maryland |
Heroic Medicine was likely the cause of Washington’s death. Desperate to save Washington’s life, the three physicans bled him frequently over a 9 to 10 hour period. The total amount of blood drawn was between 124 and 126 ounces, or almost 8 pints, which “led to preterminal anemia, hypovolemia, and hypotension.” He was also given “Vapors of vinegar and water...” which were inhaled, as well as “ten grains of calomel…succeeded by repeated doses of emetic tartar.” He probably went into shock before he died late on Saturday evening, 14 December 1799. Whatever his throat complaint had been, Washington didn’t survive the treatment.
Library of Congress, Washington, D.C. |
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