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John Hasbrouck Van Vleck
John Hasbrouck Van Vleck (March 13, 1899 – October 27, 1980) was an American physicist and mathematician, co-awarded the 1977 Nobel Prize in Physics, for his contributions to the understanding of the behavior of electrons in magnetic solids.
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13 March 2024
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Apollo Program: Launch of AS-201, the first flight of the Saturn IB rocket26.2.1966
Wikipedia (06 Mar 2013, 13:40)
AS-201 (or SA-201), flown February 26, 1966, was the first unmanned test flight of an entire production Block I Apollo Command/Service Module and the Saturn IB launch vehicle. The spacecraft consisted of the second Block I command module and the first Block I service module. The suborbital flight was a partially successful demonstration of the service propulsion system and the reaction control systems of both modules, and successfully demonstrated the capability of the Command Module's heat shield to survive re-entry from low Earth orbit.
