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Collier 1920-1929 Recipients

1929
NATIONAL ADVISORY COMMITTEE FOR AERONAUTICS
For development of cowling for radial air-cooled engines.

1928
AERONAUTICS BRANCH, DEPT. OF COMMERCE
For development of airways and air navigation facilities.

1927
CHARLES L. LAWRANCE
For development of radial air-cooled aircraft engines.

1926
MAJOR EDWARD L. HOFFMAN
For development of a practical parachute.

1925
SYLVANUS ALBERT REED
For development of the metal airplane propeller.

1924
U.S. ARMY AIR SERVICE
For first aerial flight around the world.

1923
U.S. AIR MAIL SERVICE
For night flying in commercial transportation.

1922
U.S. AIR MAIL SERVICE
For a year's operation without a single fatal accident.

1921
GROVER C. LOENING
For his aerial yacht.

1920
No trophy awarded on account of the war.

 

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