Stephen Joseph Zand (September 18, 1898 – 24 January 1963) was an American aeronautical pioneer who worked at the Sperry Gyroscope Co. and was later vice president of engineering at the Lord Corporation. He solved many of the early problems related to vibrations and sound.Kholos, L. (2005) Courage and Innovation: The Story of the Lord Corporation, Albrecht & Associates, He won the Wright Brothers Medal in 1931 for a paper on how vibration affects on-board instruments.
Awards Fellow, Royal Aeronautical Society Fellow, Institute of Aeronautical Sciences (later AIAA) Wright Brothers Medal, 1931 Medal for Merit from the U.S. President
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