Anders Celsius

Anders Celsius
Olof Arenius · Public domain · source
Name	Anders Celsius
Birth date	November 27, 1701
Birth place	Uppsala, Sweden
Death date	April 25, 1744
Death place	Uppsala, Sweden
Nationality	Swedish
Fields	Astronomy, Physics, Mathematics

Anders Celsius was a renowned Swedish astronomer, physicist, and mathematician who made significant contributions to the fields of astronomy, physics, and mathematics, particularly in the development of the temperature scale that bears his name. He was born in Uppsala, Sweden, and studied at the Uppsala University, where he later became a professor of astronomy. Celsius's work was influenced by prominent scientists of his time, including Isaac Newton, Gottfried Wilhelm Leibniz, and Edmond Halley. He was also a member of the Royal Swedish Academy of Sciences and worked closely with other notable scientists, such as Carl Linnaeus and Emanuel Swedenborg.

● Early Life and Education

Anders Celsius was born on November 27, 1701, in Uppsala, Sweden, to a family of scientists and academics. His father, Nils Celsius, was a mining engineer, and his grandfather, Magnus Celsius, was a mathematics and astronomy professor at Uppsala University. Celsius's early education took place at the Uppsala Cathedral School, where he developed a strong interest in mathematics and astronomy. He later enrolled at Uppsala University, where he studied philosophy, mathematics, and astronomy under the guidance of prominent professors, including Anders Spole and Harald Vallerius. Celsius's academic background was also influenced by the works of Galileo Galilei, Johannes Kepler, and Tycho Brahe.

● Career and Contributions

Celsius's academic career began in 1727 when he became a lecturer in astronomy at Uppsala University. He later traveled to Germany, Italy, and France, where he met with prominent scientists, such as Joseph-Nicolas Delisle and Pierre-Louis Moreau de Maupertuis, and learned about the latest developments in astronomy and physics. In 1730, Celsius returned to Uppsala University and became a professor of astronomy, a position he held until his death. He was also a member of the Royal Swedish Academy of Sciences and worked closely with other notable scientists, including Carl Linnaeus, Emanuel Swedenborg, and Anders Johan Lexell. Celsius's contributions to astronomy and physics were recognized by the French Academy of Sciences, which elected him as a foreign member in 1739.

● Temperature Scale

Celsius is perhaps best known for developing the temperature scale that bears his name. In 1742, he proposed a scale that ranged from 100 degrees for the freezing point of water to 0 degrees for the boiling point. This scale was later reversed by Carl Linnaeus and other scientists, who adopted the modern Celsius scale that ranges from 0 degrees for the freezing point to 100 degrees for the boiling point. Celsius's work on temperature was influenced by the research of Gabriel Fahrenheit and Ole Rømer, who had developed earlier temperature scales. The Celsius scale has become a widely used standard in science and engineering, and is used in many countries, including Sweden, Germany, and France.

● Scientific Work and Legacy

Celsius's scientific work extended beyond the development of the temperature scale. He made significant contributions to the fields of astronomy and physics, including the study of aurorae, comets, and meteorites. Celsius was also interested in geophysics and meteorology, and he conducted research on the Earth's magnetic field and the atmosphere. His work was recognized by the Royal Society, which elected him as a fellow in 1736. Celsius's legacy extends beyond his scientific contributions, as he played a significant role in the development of Uppsala University and the Royal Swedish Academy of Sciences. He was also a mentor to many young scientists, including Carl Linnaeus and Anders Johan Lexell, who went on to make significant contributions to science and engineering.

● Personal Life and Death

Celsius died on April 25, 1744, in Uppsala, Sweden, at the age of 42. He never married and had no children, but he was close to his family and friends, including Carl Linnaeus and Emanuel Swedenborg. Celsius's death was a significant loss to the scientific community, as he was a prominent figure in astronomy and physics. He was buried in the Uppsala Cathedral, where many other notable scientists and academics are also buried, including Olaus Rudbeck and Emanuel Swedenborg. Celsius's legacy continues to be celebrated in Sweden and around the world, and his contributions to science and engineering remain an important part of our understanding of the universe. Category:Scientists