Major General Joseph O. Mauborgne Autographs, Memorabilia & Collectibles

Born: February 26, 1881 in New York City, New York
Died: June 7, 1971 in Atlanta, Georgia
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Joseph Mauborgne (1881-1971) joined the US Army in 1903, and attended the Army Signal School at Fort Leavenworth (1909-1910), as referenced in this letter. In 1912, Mauborgne installed the first radio on an airplane, with which future Air Force commander Henry "Hap" Arnold sent the first radio message from the air to Mauborgne on the ground. Two years later, Mauborgne, this time aloft, conducted the first two-way radio communication with a ground station (December 16, 1914). In 1919, Mauborgne and Gilbert Vernon of Bell Laboratories invented the one-time pad, a code technique which still cannot be broken if used properly. As Chief of Signal (1939-1941), Mauborgne pressed the first mass production of radar. He retired on September 30, 1941, less than 6 weeks before Pearl Harbor. He is enshrined in the Military Intelligence Hall of Fame.

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