http://en.wikipedia.org/wiki/George_Washington_Carver
The man who invented 200 uses for the peanut would be George Washington Carver.
George Washington Carver
… They experimented more.
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He is a scientist who modified and experimented with discharge tube
George Washington Carver invented many uses for the peanut.
The word for a person being experimented on is a "subject."
… They experimented more.
… They experimented more.
… They experimented more.
George Washington Carver experimented and invented all kinds of things made out of peanuts. He wrote down more than 300 uses for peanuts, including peanut milk, peanut butter, peanut paper, and peanut soap.