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Inventor of the Week Archive
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George
Washington Carver (1865-1943)
In the 1880s agriculture
began to be taken seriously as a science. George Washington Carver,
born the slave of Missouri landowner Moses Carver, overcame the
prejudices which did not die with the Emancipation Proclamation, and
became the foremost agricultural chemist of this new era. Through his
innovations Carver almost single-handedly revitalized the economy of
the South.
Carver entered Simpson College intending to major
in art, but changed his focus to agriculture, because art "would not
do [my] people as much good." He went on to gain a BS (1894) and MS
(1897) from Iowa State College of Agriculture and Mechanical Arts---an
astonishing achievement, since these were "white" institutions. The
already famous Carver was then invited by Booker T. Washington to head
the first agricultural experimental station at the Tuskegee Institute.
Over the next
thirty years, Carver developed essential methods of crop-rotation:
cultivating nitrate-producing legumes as well as nutrient-consuming
cotton in the same fields in alternate years kept the soil productive.
In order that these legumes could themselves be profitable, Carver
invented hundreds of uses for sweet potatoes, cowpeas, soybeans, and
especially peanuts (325 different uses, from cooking oil to printer's
ink!). Carver also promoted organic fertilization: his plowing under
of compost into one field resulted in a one hundred-fold increase in
productivity.
As an educator as well as an inventor, Carver
shared his discoveries with the farmers of the South. His innovations
and determination impressed everyone who heard his ideas, and by the
time of his death in 1943, he was already a legend.
[Aug. 1996]
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