Charles Sumner Tainter
Charles Sumner Tainter was an American scientific instrument maker, engineer and inventor, best known for his collaborations with Alexander Graham Bell, Chichester Bell, Alexander's father-in-law Gardiner Hubbard, and for his significant improvements to Thomas Edison's phonograph, resulting in the Graphophone, one version of which was the first Dictaphone.
25 April 1854
Born on the same birth day (25 April): Alexei Emelin • Andrey Kolmogorov • Barbara Rittner • C. B. Fry • Claudia Salman • David Shepherd (artist) • Fred Haney • Gedhun Choekyi Nyima • Hank Azaria • Johnny Craig • Kojo Tovalou HouĂ©nou • Michael Llewellyn-Smith • Paul Baloff • Peter Hintze • Peter McParland • Richard Boyle, 3rd Earl of Burlington
Born in the same month (April 1854): April 13 • Henri La Fontaine • Henri PoincarĂ© • Hertha Ayrton • Hugh Massie • Martin Lipp • William Stang