Henry Harrison Chase Dunwoody

Known in his own time for his work with the Army’s Weather Bureau, Henry Harrison Chase Dunwoody invented the carborundum radio detector in 1906. It was the first practical mineral radio wave detector and the first commercial semiconductor device.

Henry Harrison Chase Dunwoody

Known in his own time for his work with the Army’s Weather Bureau, Henry Harrison Chase Dunwoody invented the carborundum radio detector in 1906. It was the first practical mineral radio wave detector and the first commercial semiconductor device.