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thumb Ralph Hazlett Upson (June 21, 1888 - August 13, 1968) was a pioneer in the aviation field, holding Airship Pilot's Certificate #7, Balloon Pilot's Certificate #48 and Pilot's License #10290.〔(【引用サイトリンク】title=Ralph Hazlett Upson biographical notes )〕 He won the 1913 International Balloon Race (with Ralph Preston).〔(Round the World Flight ), The New York Times, May 13, 1919.〕 He was the second individual to win the Wright Brothers Medal in 1929. ==Biography== He was born in New York City on June 21, 1888 to Grace Hazlett, a physician; and William Ford Upson, a Wall Street attorney.〔 He died on August 13, 1968 at the age of 80 at Burien General Hospital in Burien, Washington. In the 1920s, he worked in the area of manned balloon flight at the Goodyear Tire and Rubber Company,〔H. Green and E.N. Findley, Eds. (1920) (''Over There and Everywhere'' ), U.S. Air Service 4(1), pp. 36.〕 and went on to work at the Aircraft Development Corporation on his concept of a duraluminum-skinned airship which became the ZMC-2.〔 He had a heart attack while climbing Glacier Peak and died on August 13, 1968. 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「Ralph Hazlett Upson」の詳細全文を読む スポンサード リンク
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