Anders Celsius was a swedish astronomer,physicist and mathematician who invented the celsius temperature scale, also know as the centigrade scale. He was a professor of astronomy at Uppsala University from 1730 to 1744 and built the Uppsala Observation in 1740. Celsius also visited notable observations in Germany,Italy and France from 1732 to 1735. He was born on November 27,1701  in Uppsala, Sweden and died on April 25,1744 in the same city.
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