This remarkable debut excited much attention, and, on the recommendation of Francois Arago, he took in hand the theory of Mercury, producing, in 1843, vastly improved tables of that planet.
MARIE JEAN HERAULT DE SECHELLES (1759-1794), French politician, was born at Paris on the 10th of September 1759, of a noble family connected with those of Contades and Polignac. He made his debut as a lawyer at the Chatelet, and delivered some very successful speeches; later he was avocat general to the parlement of Paris.
Her brother, the actor Nicolas Desmares (c. 1650-1714), began as a member of a subsidized company at Copenhagen, but by her influence he came to Paris and was received in 1685 sans debut - the first time such an honour had been accorded - at the Comedie Frangaise, where he became famous for peasant parts.
Mairey, La France et s2s colonies au debut du XX~ sIcle, which has numerous biblio.graphies (Paris, 1909); J.