Nuclear submarine nuclear-powered submarine was first proposed in the United States Navy by the Naval Research Laboratory's Ross Gunn in 1939. Construction of the world's first nuclear powered submarine was made possible by the successful development of a nuclear propulsion plant by a group of scientists and engineers at the Naval Reactors Branch of the Bureau of Ships and the Atomic Energy Commission. In July 1951 the U.S. Congress authorized construction of the first nuclear-powered submarine, "Nautilus", under the leadership of Captain Hyman G. Rickover, USN (sharing names with Captain Nemo's fictional submarine in Jules Verne's "Twenty Thousand Leagues Under the Sea",
Jules Verne of the city after the recent June Days uprising but assured them that the anniversary of Bastille Day had gone by without any significant conflict. Verne used his family connections to make an entrance into Paris society. His uncle Francisque de Chatêaubourg introduced him into literary salons, and Verne particularly frequented those of Mme de Barrère, a friend of his mother's. While continuing his law studies, he fed his passion for the theatre, writing numerous plays. Verne later recalled: "I was greatly under the influence of Victor Hugo, indeed, very excited by reading and re-reading his works. At that time