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Harold Frederick Pitcairn (1897–1960) was an American aviation inventor and pioneer. He played a key role in the development of the autogyro and founded the Autogiro Company of America. He patented a number of innovations relating to rotary wing aircraft.〔 ==Biography== He was born on June 20, 1897 in Hawthorne, Iowa.〔 Pitcairn's start in aviation was as an apprentice at Curtiss Aeroplane and Motor Company He attended the Curtiss Flying School in Newport News in 1916.〔(【引用サイトリンク】url=http://www.nationalaviation.org/pitcairn-harold/ )〕 Pitcairn founded Pitcairn Aviation (later to become Eastern Airlines), and Pitcairn Aircraft Company which manufactured efficient airmail biplanes, and autogyros. He bought the right to license Juan de la Ciervas patents for the United States for $300,000 in 1929.〔 He was awarded the Collier Trophy in 1930 for development of the autogyro.〔(【引用サイトリンク】 url=http://www.aerofiles.com/collier-trophy.html )〕 USA President Hoover awarded the trophy on the lawn of the White House in 1931, where a Pitcairn PCA-2 landed as the first aircraft ever.〔Charnov, Bruce H. (Cierva, Pitcairn and the Legacy of Rotary-Wing Flight ) ''Hofstra University''. Accessed: 22 November 2011.〕 On April 24, 1960 he committed suicide at his home in Philadelphia shortly after a party celebrating his brother's birthday.〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Harold Frederick Pitcairn」の詳細全文を読む スポンサード リンク
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