What is the name of the founder of the famous chain of survey triangulations stretching from Hammerfest to the Black Sea?
Tartu Observatory The Tartu Observatory (Estonian: "Tartu Observatoorium" ) is the largest astronomical observatory in Estonia. It is located on the Tõravere hill, about 20 km south-west of Tartu in Nõo Parish, Tartu County. The old Tartu Observatory located in Tartu city centre, is known internationally for its connection to Friedrich Georg Wilhelm von Struve and the Struve Geodetic Arc, of which it is the first reference point.
Prince Teimuraz of Georgia Teimuraz Bagrationi (Georgian: თეიმურაზ ბაგრატიონი ) otherwise known as Tsarevich Teimuraz Georgievich (Russian: царевич Теймураз Георгиевич ) (April 23, 1782 – October 25, 1846) was a Georgian royal prince ("batonishvili") and scholar primarily known as an author of the first critical history in Georgian as well as for his work to popularize interest in the history and culture of Georgia and preserve its treasures.