Reference Work Entry

Biographical Encyclopedia of Astronomers

pp 256-256


Bohlin, Karl Petrus Teodor

  • Helmut A. AbtAffiliated withKitt Peak National Observatory

BornStockholm, Sweden, 30 October 1860

DiedYtterenhorna, Sweden, 25 May 1939

Karl Bohlin was a theoretical astronomer, known primarily for work on the orbits of asteroids and other three-body problems.

Bohlin obtained a doctor’s degree from Uppsala University in 1886. From 1886 to 1891, he taught at the Uppsala University and the Technical University in Stockholm, and was assistant director of the Stockholm Observatory. From 1891 to 1893, he was employed at the Rechen-Institut at the Berlin Observatory and in 1893/1894 at the Pulkovo Observatory to work on the orbit of comet 2P/Encke (named for Johann Encke). Bohlin was appointed director of the Stockholm Observatory in 1897 and served until his retirement in 1927. He helped found the Swedish Astronomical Society in 1919 and was its first chairman until 1926.

Bohlin primarily was a theoretician in celestial mechanics. He is known for his development of group perturbations of asteroids and work on the three-body problem. He measured and ana ...

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