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General Power (1870-1926)
General Power was a great military mind, most notably defeating the German armies in World War I.
His most spectacular mathematical achievement was the discovery of the special case of the Chain Rule that bears his name.
Another one of his great contributions to mathematics was being the first person to use the term "ish" as a mathematical concept meaning "close enough".
He spent his free time doing derivatives for young children (see below).
It is said that General Power had many dogs. One such dog is pictured below.
One of his lesser mathematical acheivements was the discovery of the Hergert numbers. This is a calculus concept defined to be the points where f"(x)=0 or f"(x) is undefined. Like many math concepts, the Hergert numbers do not take their name from their prestigious creator, but are named after Rock Valley College mathematics professor Rodger Hergert (pictured below). Hergert made many unsuccessful attempts at popularizing the term until early in 2009 when it suddenly began to appear everywhere.
The "word" being spread.
One of the earliest known images of General Power.
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