A distinguished French general, who came to the front during the Crimean end Italian campaigns, but fell into disfavour for exposing in a pamphlet (1867) the rotten state of the French army; three years later, on the outbreak of the Franco-German War, was appointed Governor of Paris, and, after the proclamation of the Republic, general of the defence of the city till its capitulation, after which he retired into private life (1815-1896).