Ukrainian Chief Scientist of the U.S. Air Force credited for initiation of GPS: Michael...

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But Yarymovych knew the idea of space-based navigation was beautiful; it just wasn’t being sold right. He went to his...

Igor Sikorsky: ‘My family is of Ukrainian origin’. Official document

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When one opens Igor Sikorsky's Wikipedia page, in the "Early Life" paragraph one can read the following sentence: "When questioned regarding his...

Monuments to Igor Sikorsky in Kyiv opened by Mayor Vitaly Klitschko

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Igor Sikorsky was born in Kyiv and achieved world fame while still living in it. For example, he set the World...

Igor Sikorsky assembled his first helicopters while still a student in his native Kyiv

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In the autobiography "The Story of the Winged-S", Igor Sikorsky recalled: "I had several hobbies. For a time I was making...

Igor Sikorsky’s First Trial Helicopter Assembled in Kyiv in 1909

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As time went on, I became well acquainted with the various aeronautical engines, having spent much time in a few factories,...

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