Charles Sumner Tainter
American engineer and inventor
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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 ... Wikipedia
Born: April 25, 1854, Watertown, MA
Died: April 20, 1940 (age 85 years), San Diego, CA
Spouse: Laura F. Onderdonk (m. 1928) and Lila Munro (m. 1886)
Record label founded: Columbia Graphophone Company