Lars Tammelin

The Right Reverend Lars Tammelin
Bishop of Turku
Church	Church of Sweden
Diocese	Turku
Appointed	11 December 1728
In office	1728–1733
Predecessor	Herman Witte
Successor	Jonas Fahlenius
Orders
Consecration	January 1729 by Mathias Steuchius
Personal details
Born	(1669-05-02)2 May 1669 Turku, Swedish Empire (Present-day Finland)
Died	2 July 1733(1733-07-02) (aged 66) Turku, Swedish Empire (Present-day Finland)
Buried	Turku Cathedral
Nationality	Finnish
Denomination	Lutheran
Parents	Gabriel Larsson Tammelinus and Anna Eriksdotter Pihl
Spouse	Margareta Pedersdotter Hahn
Children	11

Lars Tammelin (2 May 1669 – 2 July 1733) also known as Laurentius Gabrielis Tammelinus was a Finnish mathematician and prelate who was the Bishop of Turku from 1728 to 1733.

Biography

Tammelin was born on 2 May 1669 in Turku in the Swedish Empire, the son of Gabriel Larsson Tammelinus and Anna Eriksdotter Pihl. He began his studies in Turku and was enrolled at the academy in Turku in 1683. In 1698 he became a professor of mathematics at the Royal Academy of Turku. In August of the following year, he undertook a study trip through Denmark, Germany and the Netherlands where he enrolled at Leiden University on 27 November 1698. He studied under the Cartesian mathematician and astronomer Burchard de Volder, and returned to Finland in the autumn term of 1699.

In 1706 he was ordained priest and in 1717 he became vicar of Västerfärnebo. In 1728 he was appointed Bishop of Turku. He published the first Finnish calendars between 1705 and 1727.