Marquis de Sade Marquis de Sade Donatien Alphonse François, Marquis de Sade (; 2 June 1740 – 2 December 1814), was a French nobleman, revolutionary politician, philosopher, and writer, famous for his libertine sexuality. His works include novels, short stories, plays, dialogues, and political tracts; in his lifetime some were published under his own name while others appeared anonymously, which Sade denied having written. Sade is best known for his erotic works, which combined philosophical discourse with pornography, depicting sexual fantasies with an emphasis on violence, suffering, criminality, and blasphemy against Christianity. He gained notoriety for putting these fantasies into practice with both
Alphonse Péron Gafsa. The first part, an "Overview of physical geography", was published in 1907. The second part, "Stratigraphy of the Palaeozoic and Mesozoic terrains", was published in 1908. Péron was President of the Société géologique de France (SGF) in 1905. Publications by Alphonse Péron included: Alphonse Péron Alphonse Péron (29 November 1834 – 2 April 1908) was a French soldier and amateur naturalist. He used his spare time to pursue his interest in paleontology, and authored or coauthored several important works on the geology and paleontology of France and Algeria. Pierre-Alphonse Péron was born on 29 November 1834 in Saint-Fargeau, Yonne.