Pierre Berthier (July 3, 1782 – August 24, 1861) was a French geologist who discovered the properties of Bauxite in 1821 in the village Les Baux de Provence in southern France. He also discovered the mineral Berthierite which was named after him.

1782 births | 1861 deaths | French geologists | Alumni of the École Polytechnique

Pierre Berthier | Pierre Berthier