And he invented bifocals and the lightning rod ... He preached “useful knowledge,” and I think knowing Benjamin Franklin’s story is very useful for any of us wanting to better understand ...
The list of his inventions included: bifocals; the medical catheter ... Of the "Founding Fathers," Benjamin Franklin alone signed the three pivotal documents associated with the nation's birth ...
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‘Ingenious’ Review: The Electric Mind of Benjamin FranklinIn part because Benjamin Franklin had such a multifarious ... well-known practical inventions—the lightning rod, bifocals, the so-called Franklin stove—were not merely the products of a ...
Benjamin Franklin was a true Renaissance man ... invent the lightning rod, bifocals, and swim fins; make a number of crucial scientific discoveries; and help draft the Declaration of Independence ...
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