Winner of the 2019 AAAS/Subaru SB&F Prize for Excellence in Science Book Alexander Graham Bell invented not only the telephone, but also early versions of the phonograph, the metal detector, airplanes, and hydrofoil boats. This Scottish immigrant was also a pioneering speech teacher and a champion of educating those with hearing impairments, work he felt was his most important contribution to society. Bell worked with famous Americans such as Helen...