Frederik Herman Henri (Frits) Kortlandt (born 19 June 1946) is a Dutch former professor of descriptive and comparative linguistics at Leiden University in the Netherlands. He writes on Baltic and Slavic languages, the Indo-European languages in general, and Proto-Indo-European, though he has also published studies of languages in other language families. He has also studied ways to associate language families into super-groups such as controversial Indo-Uralic. Biography Kortlandt was born on 19 June 1946 in Utrecht. Kortlandt, along with George van Driem and a few other colleagues, is one of the proponents of the Leiden School of linguistics, which describes language in terms of a meme or benign parasite. Kortlandt holds five degrees from the University of Amsterdam: B.A., 1967, Slavic Linguistics and Literature B.A., 1967, mathematics and economics M.A., 1969, Slavic linguistics M.A., 1970, mathematical economics Ph.D., 1972, mathematical linguistics He obtained his PhD under Carl Lodewijk Ebeling with a thesis titled: "Modelling the phoneme : new trends in East European phonemic theory". Kortlandt was a professor of Slavic Languages at Leiden University between 1975 and 2011. Kortlandt has been a member of the Royal Netherlands Academy of Arts and Sciences since 1986 and is a 1997 Spinozapremie laureate. In 2007, he composed a version of Schleicher's fable, a story written in a hypothetical, reconstructed Proto-Indo-European, which differs radically from all previous versions. References External links Frederik Kortlandt: Bibliography 1946 births Living people Writers from Utrecht (city) Linguists from the Netherlands Linguists of Indo-European languages Balticists Slavists Paleolinguists Linguists of Indo-Uralic languages Members of the Royal Netherlands Academy of Arts and Sciences University of Amsterdam alumni Academic staff of Leiden University Spinoza Prize winners