who suggested that the sea floor was moving and not just the landmasses
Seafloor spreading Earlier theories (e.g. by Alfred Wegener and Alexander du Toit) of continental drift postulated that continents "ploughed" through the sea. The idea that the seafloor itself moves (and also carries the continents with it) as it expands from a central axis was proposed by Harry Hess from Princeton University in the 1960s.[3] The theory is well accepted now, and the phenomenon is known to be caused by convection currents in the asthenosphere, which is ductile, or plastic, and the brittle lithosphere.[4][clarification needed]
Voyage to the Bottom of the Sea (TV series) The pilot episode "Eleven Days to Zero" was filmed in color but shown in black-and-white. It introduces the audience to the futuristic nuclear submarine S.S.R.N. Seaview and the lead members of her crew, including the designer and builder of the submarine Admiral Harriman Nelson (Richard Basehart), and Commander Lee Crane (David Hedison), who becomes the Seaview's captain after the murder of her original commanding officer. The submarine is based at the Nelson Institute of Marine Research (NIMR) in Santa Barbara, California, and is often moored some 500 feet below NIMR in a secret underground submarine pen carved out of solid rock. The Seaview is officially for undersea marine research and visits many exotic locations in the Seven Seas, but its secret mission is to defend the planet from all world and extraterrestrial threats[1] in the then-future of the 1970s.