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Jean Noël Hallé (January 2, 1754 – February 11, 1822) was a French physician born in Paris. He was the son of painter Noël Hallé (1711–1781).

He was a professor of physical medicine and health at the École de Santé, and afterwards a professor at the Collège de France. He was a member of the Académie Nationale de médecine, and in 1795 was elected to the Académie des sciences, becoming its president in 1813. He was also "first-physician" to Napoleon Bonaparte.

Hallé was a pioneer of hygienic reform in France, and was a catalyst concerning hygiene education. He created distinctions between public and individual hygiene, and initiated studies and awareness involving the multiple issues that involve hygiene, such as contagious diseases, health in the workplace, and problems associated with living in a high density urban environment, to name a few.

He was co-editor of the 1813 Code des médicaments (a work involving French pharmacopoeia), and made contributions to the Dictionnaire des Sciences médicales (Dictionary of Medical Sciences). Also, he performed investigations of breast cancer, conducted research on the effects of camphor, and was a major advocate of vaccination. In 1794 he came to the defense of Antoine Lavoisier (1743–1794), when the latter was tried for treason before the National Convention.


  • This article is based on a translation of an article from the French Wikipedia.
  • Diseases of civilisation by John Powles


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