"my teacher at the university was Louis Hjelmslev"

Louis Hjelmslev (1899-1965) was a Danish linguist, educated in comparative linguistics in Copenhagen, Prague and Paris, the main centres of the discipline at that time. Together with his colleagues he founded The Linguistic Circle of Copenhagen, which was inspired by the Prague Linguistic Circle and heavily influenced by structuralism. Hjelmslev's ideas formed the basis of the Copenhagen School of Linguistics.