He translated the first volume of Ferdinand Ritter von Hebra's work on cutaneous diseases into English for the New Sydenham Society, and classified and catalogued the models of skin diseases in the museum of Guy's Hospital.
Among his written works was Atlas der Hautkrankheiten, an atlas on skin diseases that was edited and published posthumously by Ferdinand von Hebra (1867).
He went on to receive his training in dermatology in Vienna, where he worked in cooperation with Ferdinand von Hebra, Moritz Kaposi and Heinrich Auspitz, among others.
Doyon is responsible for translating the works of Ferdinand von Hebra, Albert Neisser, Heinrich Auspitz, and Moritz Kaposi from German into French.
Hans von Hebra was the son of Czech born dermatologist Ferdinand Ritter von Hebra (1816–1880), founder of the New Vienna School of Dermatology.
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