William J. Hammer, U.S. Army (1858-1934) — During World War I, the U.S. Army drafted engineer and inventor William J. Hammer, at age 60, to head the Inventions Section of the War Plans Division. As victory on the battlefield increasingly depended upon modern industrial technologies, the skills and expertise of scientists like Major Hammer became crucial military assets. Starting his career as an assistant to Thomas Edison, Hammer became chief engineer of the Edison Lamp Works. During the 1880s, Hammer oversaw Edison's spectacular world's fair exhibitions, which introduced millions of Americans and Europeans to the wonders of electricity; he is credited with creating the world's first electrified sign, featured at the 1882 Crystal Palace Exhibition in London. He also patented numerous inventions and worked with other leading inventors and scientists — including the Wright brothers and Marie Curie — on innovations in electrical devices, aviation and the use of radium. For his World War I service, Hammer received medals from the U.S. and French governments. (Section 6, Grave 9644-NH)
William J. Hammer, U.S. Army (1858-1934) — During World War I, the U.S. Army drafted engineer and inventor William J. Hammer, at age 60, to head the Inventions Section of the War Plans Division. As victory on the battlefield increasingly depended upon modern industrial technologies, the skills and expertise of scientists like Major Hammer became crucial military assets. Starting his career as an assistant to Thomas Edison, Hammer became chief engineer of the Edison Lamp Works. During the 1880s, Hammer oversaw Edison's spectacular world's fair exhibitions, which introduced millions of Americans and Europeans to the wonders of electricity; he is credited with creating the world's first electrified sign, featured at the 1882 Crystal Palace Exhibition in London. He also patented numerous inventions and worked with other leading inventors and scientists — including the Wright brothers and Marie Curie — on innovations in electrical devices, aviation and the use of radium. For his World War I service, Hammer received medals from the U.S. and French governments. (Section 6, Grave 9644-NH)
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