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Cross-listed in Scientists

John Frederic Daniell

borndied
1790, Mar 121845, Mar 13
an English chemist and physicist. His name is best known for his invention of the Daniell cell, an element of an electric battery much better than voltaic cells. He also invented the dew-point hygrometer known by his name (Quar. Journ. Sci., 1820), and a register pyrometer (Phil. Trans., 1830); and in 1830 he erected in the hall of the Royal Society a water-...
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Cross-listed in WritersScientists

Sir Humphry Davy

bornactivedied
1778, Dec 171795-18291829, May 29
a Cornish chemist and inventor, who is best remembered today for his discoveries of several alkali and alkaline earth metals, as well as contributions to the discoveries of the elemental nature of chlorine and iodine. He also studied the forces involved in these separations, inventing the new field of electrochemistry. In 1799 Davy experimented with nitrous ...
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Cross-listed in ScientistsCommerce

John Deere

bornactivedied
1804, Feb 71821-18861886, May 17
an American blacksmith and manufacturer who founded Deere & Company, one of the largest and leading agricultural and construction equipment manufacturers in the world. Born in Rutland, Vermont, Deere moved to Illinois and invented the first commercially successful steel plow in 1837.
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Johann Christoph Denner

borndied
1655, Aug 131707, Apr 26
a famous woodwind instrument maker of the Baroque era, to whom the invention of the clarinet is attributed. Denner was born in Leipzig to a family of horn-tuners. With his father, Heinrich Denner, a maker of game whistles and hunting horns, he moved to Nuremberg in 1666. J. C. Denner went into business as an instrument maker in 1678 and was granted rights fo...
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Joseph Dixon

borndied
17991869
an inventor, entrepreneur and the founder of what became the Dixon Ticonderoga Company, a well-known manufacturer of pencils in the United States. His fascination with new technologies led to many innovations such as a mirror for a camera that was the forerunner of the viewfinder, a patented double-crank steam engine, and a method of printing banknotes to th...
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Cross-listed in Scientists

Johann Wolfgang Dobereiner

aka: Döbereiner
borndied
1780, Dec 131849, Mar 24
a German chemist who is best known for work that foreshadowed the periodic law for the chemical elements. He become a professor of chemistry and pharmacy at the university of Jena. Döbereiner also is known for his discovery of furfural, for his work on the use of platinum as a catalyst, and for a lighter, known as Döbereiner's lamp.
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Karl Drais

bornactivedied
1785, Apr 291817-18451851, Dec 10
a German inventor, who invented the Laufmaschine ("running machine"), also later called the velocipede, draisine (English) or draisienne (French), also nicknamed the dandy horse. This incorporated the two-wheeler principle that is basic to the bicycle and motorcycle and was the beginning of mechanized personal transport. Drais also invented the earliest type...
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Peter Durand

bornactivedied
unknown1810sunknown
a British merchant who is widely credited with receiving the first patent for the idea of preserving food using tin cans. The patent (No 3372) was granted on August 25, 1810 by King George III of England. After receiving the patent, Durand did not pursue canning ...
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