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"Fahrenheit, Gabriel Daniel (1686-1736), a German physicist. In 1714, he devised the Fahrenheit scale for measuring temperature and originated the use of mercury instead of alcohol in thermometers."^^<http://www.w3.org/2001/XMLSchema#string>
<http://science.howstuffworks.com/dictionary/famous-scientists/physicists/gabriel-daniel-fahrenheit-info.htm>