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Olli Lehto

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Olli Erkki Lehto (born 30 May 1925 in Helsinki) is a Finnish mathematician, specializing in geometric function theory, and a former chancellor of the University of Helsinki.Lehto earned his PhD in 1949 from the University of Helsinki under Rolf Nevanlinna with thesis Anwendung orthogonaler Systeme auf gewisse funktionentheoretische Extremal- und Abbildungsprobleme. At the University of Helsinki, Lehto was from 1961 to 1988 a professor, from 1978 the dean of science, from 1983 the rector, and from 1988 to 1993 the chancellor.From 1983 to 1990 he was Secretary of the International Mathematical Union. In 1962 he became a member of the Finnish Academy of Science and Letters (Suomalainen Tiedeakatemia). In 1975 he was given by the President of Finland the honorary title "Academician of Science" (Tieteen akateemikko). Lehto was the chief organizer of the International Congress of Mathematicians (ICM) in Helsinki in 1978 and an invited speaker of the ICM in Moscow in 1966 with lecture Quasiconformal mappings in the plane. He was elected a Fellow of the American Mathematical Society.Lehto published a biography of his teacher Rolf Nevanlinna.

Birth date 1925-05-30

Birth year 1925

Individualised gnd number 118893610

English Wikipedia http://en.wikipedia.org/wiki/Olli_Lehto

Spanish wikipedia http://es.wikipedia.org/wiki/Olli_Lehto

Wiki page external link http://www.otava.fi/kirjailijat/olli_lehto/