Olof Celsius Olof Celsius Olof Celsius (the elder) (19 July 1670 – 24 June 1756) was a Swedish botanist, philologist and clergyman, He was a professor at Uppsala University, Sweden. Celsius was a mentor of the botanist and scientist Carl Linnaeus. Celsius wrote his most famous book on biblical plants, "Hierobotanicon", in 1745-47. Olof Celsius's nephew Anders Celsius was an astronomer who invented a temperature scale where 100 represented the freezing point of water and 0 represented the boiling point. Jean-Pierre Christin, in 1744 reversed the scale to create the centigrade scale, renamed in 1948 to the Celsius scale in use today.
Anders Sandvig Samlinger") in 1904. Sandvig was at first hired as unpaid curator, but was later appointed the museum's first director. In addition to expanding the museum significantly, Sandvig also traveled extensively to promote ethnological museums, including Vesterheim in Decorah, Iowa. He retired from the museum in 1947, at 85 years of age. Anders Sandvig Anders Sandvig (11 May 1862 – 11 February 1950) was a Norwegian dentist most noted for having founded Maihaugen, an innovative regional ethnological and architectural museum in Lillehammer, documenting the vernacular architecture of Gudbrandsdalen. Sandvig was born at Bud in Møre og Romsdal, Norway. He first worked