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date: 15 October 2019

Sprague, Frank Julianlocked

(25 July 1857–25 October 1934)
  • George Wise


Sprague, Frank Julian (25 July 1857–25 October 1934), inventor and entrepreneur, was born in Milford, Connecticut, the son of David Sprague and Frances King. After finishing preparatory school, he was appointed to the U.S. Naval Academy. The excellent science faculty there included Albert Michelson...

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