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): Alejandro Valverde • Andy Bell (singer) • Arapeta Awatere • C. B. Fry • Claudia Salman • Henck Arron • Mark Bryant (basketball) • Princess Alice of the United Kingdom • Rainer Schüttler • Renée Zellweger • Stephen Nickell • Stu Cook

Born in the same month (April 1854): April 13 • Henri La Fontaine • Henri Poincaré • Hertha Ayrton • Hugh Massie • Ludwig Levy • Martin Lipp • William Stang