Joseph-Aignan Sigaud de Lafond

While pursuing a medical career as an obstetrician, he became one of the most dedicated attendants of the lectures by the abbot Jean-Antoine Nollet (1700–1770).

In 1760, he succeeded Nollet to the chair of experimental physics at the Collège Louis le Grand in Paris.

In 1795, he became a professor of physics and chemistry at the École Centrale.

His treatise Description et usage d'un cabinet de physique (Paris, 1775) is a compendium of the experimental physics of his time.

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