Helicopter Man: Igor Sikorsky and His Amazing Invention

By (author): "Edwin Brit Wyckoff"

Genres:Biography books Helicopters books

Publish Date: September 2010

Helicopter Man: Igor Sikorsky and His Amazing Invention

ISBN0766034453

ISBN139780766034457

AsinHelicopter Man: Igor Sikorsky and His Amazing Invention

SeriesGenius at Work! Great Inventor Biographies

Leonard da Vinci drew pictures of helicopters; Wilbur Wright said they would never work. But Igor Sikorsky proved him wrong, inventing the first working helicopter and building the company that still bears his name.