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Man with gigantism, acromegaly, and diabetes

Man with gigantism, acromegaly, and diabetes (left), and French internist Émile Charles Achard (1860-1944) (right). The measuring rod is 200 cm (6 feet 7 inches). The man is approximately 6 foot 9 inches tall compared to the short 5 foot 3 inch height of Achard. Historic photograph restored by Douglas J. Lanska MD. Source: Plate 54 from Achard [EC], Loeper. Nouvelle iconographie de la Salpêtrière. Paris: Masson & Cie, Editeurs. 1900;13:398-403. (Courtesy of the Wellcome Library. Creative Commons Attribution 4.0 International license [CC BY 4.0].)