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Roger Boisjoly, American aerodynamicist and engineer (died 2012)

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Roger Boisjoly
American aerodynamics engineer (1938–2012)
Roger Mark Boisjoly was an American mechanical engineer, fluid dynamicist, and an aerodynamicist. He is best known for having raised strenuous objections to the launch of the Space Shuttle Challenger months before the loss of the spacecraft and its crew in January 1986. Boisjoly…Source: Wikipedia (CC BY-SA)