German rocket scientist and engineer (1915-1996) who arrived in America under Project Paperclip on November 16, 1945. He worked with the Wernher von Braun rocket team at Fort Bliss, White Sands, and Huntsville, and later became head of the Flight Dynamics Branch, Guidance and Control Division at NASA's Marshall Space Flight Center. Four pages of Hans Hosenthien's handwritten notes, including: two 8 x 10.5 sheets filled with calculations and equations; one schematic diagram on an 8.5 x 11 sheet, showing circuitry with power values denoted; and a sheet of 8.5 x 11 graph paper, filled out with a graph, notes, and a small sketch of a "Neon Lamp Type NE-48.". In very good to fine condition, with toning to one of the pages, and some minor paper loss to some edges. Accompanied by a certificate of authenticity from aerospace memorabilia specialist Ken Havekotte.
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