Scale of temperature the Swedish astronomer Anders Celsius (1701–1744), who developed a similar temperature scale two years before his death. The degree Celsius (°C) can refer to a specific temperature on the Celsius scale as well as a unit to indicate a temperature "interval "(a difference between two temperatures or an uncertainty). From 1744 until 1954, 0 °C was defined as the freezing point of water and 100 °C was defined as the boiling point of water, both at a pressure of one standard atmosphere. Although these defining correlations are commonly taught in schools today, by international agreement the unit "degree Celsius" and
George Bishop (astronomer) long period of physical illness, but during which he retained his mental faculties, Bishop died on 14 June 1861 at the age of 76. George Bishop (astronomer) George Bishop (Leicester, 21 August 1785 – 14 June 1861), was a noted English astronomer of the nineteenth century. At the age of eighteen Bishop entered a British wine-making business in London, subsequently becoming its proprietor, during his tenure at which the business was so successful that its excise returns were said to exhibit half of all home-made wines as of his manufacture. Bishop's scientific career began with his admission to the Royal