Jean-Claude Duvalier of his father, François Duvalier (nicknamed "Papa Doc"), becoming the world's youngest president. Initially, Jean-Claude Duvalier resisted the dynastic arrangement that had made him Haiti's leader, having preferred that the presidency go to his older sister Marie-Denise Duvalier, and was content to leave substantive and administrative matters in the hands of his mother, Simone Ovide Duvalier, and a committee led by Luckner Cambronne, his father's Interior Minister, while he attended ceremonial functions and lived as a playboy. Duvalier was invested with near-absolute power by the constitution. He took some steps to reform the regime, by releasing some political prisoners and
Jean-Claude-Républicain Arnoux Jean-Claude-Républicain Arnoux Jean-Claude-Républicain Arnoux (Le Cateau-Cambrésis – 1866) was a French civil engineer known for his invention of the Arnoux system for articulating trains on tight curves. As an entrepreneur he founded and directed the , which constructed and operated the line from Paris to Orsay and is now part of the Ligne de Sceaux. It opened on 6 June 1846. Jean-Claude-Républicain Arnoux was born at Le Cateau-Cambrésis in the Nord department of France on 16 December 1792. His father was a postmaster. In 1811 he entered the École polytechnique and became a lieutenant in the Artillery under the French