Gelatine was an airship piloted on September 19, 1905 by a pioneer American aviator and what?
Lincoln J. Beachey Lincoln J. Beachey (March 3, 1887 – March 14, 1915) was a pioneer American aviator and barnstormer. He became famous and wealthy from flying exhibitions, staging aerial stunts, helping invent aerobatics, and setting aviation records.
William F. Durand William Frederick Durand (March 5, 1859 – August 9, 1958) was a United States naval officer and pioneer mechanical engineer. He contributed significantly to the development of aircraft propellers. He was the first civilian chair of the National Advisory Committee for Aeronautics, the forerunner of NASA.