Henry Harrison Chase Dunwoody | |
|---|---|
 Henry Harrison Chase Dunwoody | |
| Born | October 23, 1842 Highland County, Ohio |
| Died | January 1, 1933 (aged 90) Interlaken, New York |
| Allegiance |  United States of America |
| Service |  United States Army |
| Years of service | 1866–1904 |
| Rank |  Brigadier General |
| Commands | Chief, Weather Bureau
Chief Signal Officer, United States Volunteers Chief Signal Officer, U.S., in Cuba |
| Battles / wars | Spanish–American War |
| Relations | Ann E. Dunwoody (great-granddaughter) |
| Other work | Vice President, American DeForest Wireless; Inventor of the carborundum radio detector; President, Aztec Copper Company |
Henry Harrison Chase Dunwoody (October 23, 1842 – January 1, 1933) was an American army officer, businessman, and inventor. Known in his own time for his work with the Army's Weather Bureau, he invented the carborundum radio detector in 1906. It was the first practical mineral radio wave detector and the first commercial semiconductor device.