Who invented Fountain Pen?
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John J. Loud
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Sir Frank Whittle
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Lewis E. Waterman
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Kirkpatrick Macmillan
C
Correct answer
Explanation
Lewis E. Waterman invented the practical fountain pen in 1884 after losing a sale contract due to a leaking pen. He invented a reliable ink feed system using capillary action and gravity. John Loud designed an early ballpoint pen, Whittle invented the jet engine, and Macmillan is associated with early bicycle development.