David Bushnell

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Noun1.David Bushnell - American inventor who in 1775 designed a man-propelled submarine that was ineffectual but subsequently earned him recognition as a submarine pioneer (1742-1824)
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The first submarine was invented by Yale graduate, David Bushnell, in 1775 and provided the colonists with a secret weapon in the form of a one-man wooden craft in an experimental submarine that was nicknamed the "Turtle."
Similarly, David Bushnell's American Revolutionary War submarine Turtle receives worthwhile treatment, including an update on the debate concerning whether Turtle had enough positive buoyancy to allow boring a hole in the target ships copper-clad wooden hull while submerged.
David Bushnell of Connecticut invented a way to ignite a 150-lb.
Third, it highlights key innovators to include biographical vignettes from David Bushnell's 18th century submarine to John Boyd's OODA loop and Edward Teller's space-based, X-ray lasers.
He said he believed that his risk management team, led by Chief Risk Officer David Bushnell, had operated believing the CDO holdings had little risk.