Wilhelm Ramsay

Wilhelm Ramsay (20 January 1865 – 6 January 1928) was a Finland Swede geologist. He became a member of the Royal Swedish Academy of Sciences in 1914 and in 1915 was accepted into the Royal Physiographic Society in Lund. He coined the terms Fennoscandia (1900) and Postjotnian (1909).[1][2][3] Ramsay also coined the term ijolite.[4]

Wilhelm Ramsay
Wilhelm Ramsay.jpg
Ramsay in 1915
Born(1865-01-20)20 January 1865
Died6 January 1928(1928-01-06) (aged 62)
Helsinki, Finland
CitizenshipRussia (Finland)
Known forFennoscandia, Ijolite, Postjotnian, Timanide Orogen
Scientific career
University of Göttingen
University of Helsinki
InfluencedPentti Eskola

Together with Jakob Sederholm, Ramsay was a student of Fredrik Johan Wiik. Pentti Eskola was a student of Ramsay.[5]


  1. ^ De Geer, Sten (1928). "Das geologische Fennoskandia und das geographische Baltoskandia" (PDF). Geografiska Annaler (in German). Swedish Society for Anthropology and Geography. 10: 119–139.
  2. ^ Amantov, A.; Laitakari, I.; Poroshin, Ye (1996). "Jotnian and Postjotnian: Sandstones and diabases in the surroundings of the Gulf of Finland". Geological Survey of Finland, Special Paper. 21: 99–113.
  3. ^ "Ramsay, Wilhelm (1865 - 1928)" (in Finnish). The National Biography of Finland. Retrieved January 30, 2021.
  4. ^ Lindberg, Johan (September 9, 2011). "Ramsay, Wilhelm". Uppslagsverket Finland (in Swedish). Retrieved November 30, 2017.
  5. ^ Haapala, I. (2005). "Chapter 17: History of Finnish bedrock research". In Lehtinen, Martti; Nurmi, Pekka A.; Rämö, Tapani (eds.). Precambrian Geology of Finland. Amsterdam: Elsevier. pp. 683–701. ISBN 9780080457598.