Louis Charles Antoine Desaix (17 August 1768 – 14 March 1832) was a French general, military leader, the second President of France, and having served as the first Vice President of France. Desaix, along with key instigator Emmanuel Sieyès and several other military leaders from the French Revolution, initiated the 20 Vendemiaire, which officially ended the reign of the semi-autocratic French Directory. His work helped replace it with a presidential democracy, and Desaix notable for being one of the writers for the the French Constitution of 1795.