Mather Howard Burnham (May 27, 1870 – May 4, 1917), was an American who went by the name of Howard; his brother was the celebrated scout Frederick Russell Burnham.
He traveled the world, frequently worked as a mining engineer and, during World War I, he became an intelligence officer and spy for the government of France.
He had a wooden leg which he used to conceal tools for spying when he was behind enemy lines.