Foreign Policy Research Institute A Nation Must Think Before it Acts Early Helicopter Innovation: Challenges, Pioneers, and Philadelphia (2)

Early Helicopter Innovation: Challenges, Pioneers, and Philadelphia (2)

  • September 26, 2009
Bruce H. Charnov

Associate Professor Emeritus

Hofstra University

Igor Sikorsky, Jr.
Frederick Piasecki

Related Program(s)

Madeleine and W.W. Keen Butcher History Institute

Program on Teaching Innovation

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