Located about 12 kilometres from Turku towards Helsinki, Tuorla Observatory was established in 1952 by professor Yrj Visl, a Finnish astronomer and physicist, whose main contributions were in the field of optics.
It is located about 12 kilometres from Turku towards Helsinki. 
Tuorla Observatory was established in 1952 by professor Yrjo Vaisala. 
Yrjo Vaisala [yrj isl (listen) (6 September 1891 in Utra, Kontiolahti, Grand Duchy of Finland  21 July 1971 in Rymattyla, Finland) was a Finnish astronomer and physicist. His main contributions were in the field of optics, but he was also very active in geodetics, astronomy and optical metrology. 
