About Frank Piasecki
Frank Piasecki was an American engineer and helicopter aviation pioneer. Piasecki pioneered tandem rotor helicopter designs and created the compound helicopter concept of vectored thrust using a ducted propeller. Smithsonian National Air and Space Museum Lifetime Achievement award - awarded in 2005 National Aviation Hall of Fame Inducted 2002.
Biography source: Wikipedia. The profile adds birthday-specific historical context from the Celebs Birthday Today editorial database.