For 10 points, name this inventor of the telegraph and the telephone.
This man succeeded Gardiner Greene Hubbard, his father-in-law, as the president of the National Geographic Society. At the age of twelve he developed a device to dehusk wheat. In 1881, he cobbled together what is sometimes credited as the first metal detector in order to ascertain the location of a bullet lodged in President James Garfield. His most successful invention was inspired by work with acoustics which he pursued after his mother went deaf. For 10 points, name this inventor of the telegraph and the telephone.
This man succeeded Gardiner Greene Hubbard, his father-in-law, as the president of the National Geographic Society.
Alexander Graham {Bell}