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Claude Antoine, comte Prieur-Duvernois

Engraving of Claude Antoine by Emile Giroux

Claude Antoine, comte Prieur-Duvernois, commonly known as Prieur de la Côte-d'Or after his native département, to distinguish him from Pierre Louis Prieur (2 December 1763 – 11 August 1832), was a French engineer and a politician during and after the French Revolution.


  • Life 1
    • Early life and revolutionary beginnings 1.1
    • Committee of Public Safety 1.2
    • Directory and Empire 1.3
  • References 2


Early life and revolutionary beginnings

Born in Auxonne, Côte-d'Or. As an officer of engineers, he presented to the National Constituent Assembly in 1790 a Mémoire on the standardization of weights and measures.

In 1791, the Côte-d'Or re-elected him to the Legislative Assembly, and in 1792 to the National Convention. In 1792, Prieur-Duvernois was sent on a mission to the Army of the Rhine to announce the deposition of King Louis XVI, after having voted in favor of his execution.

In 1793 he served as a representative on mission to survey the ports of Lorient and Dunkirk. He was arrested in Normandy after the fall of the Girondists (June 1793) by the rebel authorities of Caen. He was released in July 1793 after the defeat of their forces at Vernon.

Committee of Public Safety

On 14 August 1793, he became a member of the French Revolutionary Wars.[1] Prieur worked closely with prominent scientists in France. The Committee worked with several notable French scientists, including Lagrange, Lamarck, and Vandermonde. [2] Prieur and Carnot advocated the use of observation balloons in war after some experiments in Meudon. This led to their deployment at the Battle of Fleurus. [3]

With Carnot, Prieur aligned with the Lindet, the two other specialists in the Committee.[4]

Prieur retained his seat after the Thermidorian Reaction. He avoided capture in the riots of Prairial Insurrection (20 May 1795), and was subsequently spared the attacks of moderates in the Thermidorian Convention.

Directory and Empire

Under the Directory, Prieur sat in the Council of Five Hundred until Napoleon Bonaparte's 18 Brumaire coup (9 November 1799). In 1808 he was created a count of the Empire, and in 1811 he retired from the army with the grade of chef de brigade (the equivalent of colonel).

Prieur-Duvernois was one of the founders of the École Polytechnique. In this role, he helped to establish the Institut de France, to adopt the metric system, and to found the Bureau des Longitudes. Prieur died in Dijon.


  1. ^  
  2. ^ Palmer, R.R. (1969). Twelve Who Ruled. Princeton, NJ: Princeton University Press. p. 234.  
  3. ^ Palmer, R.R. (1969). Twelve Who Ruled. Princeton, NJ: Princeton University Press. p. 354.  
  4. ^ Palmer, R.R. (1969). Twelve Who Ruled. Princeton, NJ: Princeton University Press. p. 364.  
    • J. Gros, Le Comité de salut public (1893)
    • E. Charavay, Correspondance de Carnot, vol. i., which includes some documents drawn up by Prieur.
    This, in turn, gives as references:  
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