ZEILON

SWEDEN (see also List of Individuals)

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13.6.1886 Arboga/S - 12.4.1958 Stockholm/S

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Nils Olof Zeilon graduated from the Stockholm Technical University in 1909 as a mathematician and there gained his PhD title in 1914. He was from 1910 to 1911 the first assistant of the Swedish Hydrological and Biological Commission, and he made from 1912 to 1926 study tours to Paris, Delft, Göttingen, Rome, Zurich and London. From 1914, Zeilon was a mechanics and mathematics lecturer at the University of Uppsala, and was appointed at the Lund University professor in these subjects until retirement in 1951. He was awarded the Ferner Price from the Swedish Academy of Sciences in 1912.

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Zeilon, a student of the Swedish mathematician Fredholm, worked in partial differential equations and contributed mainly to mathematical physics. He was particularly interested in problems of hydrodynamics and therefore was attracted by the complex mathematical formulations that govern water waves. His 1912 work is a treatise on tides and the 1915 work aims to determine the main characteristics of boundary waves. From the 1920s, Zeilon was interested in fluid resistance, a basic problem of hydrodynamics that has received early attention already by the great hydraulicians Leonardo da Vinci and Newton. Zeilon is maybe not much known in the hydraulics community because of his involved mathematical approach, but he has significantly contributed to the understanding of hydraulic resistance, a topic that is even currently under wide research.

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_{Anonymous (1955). Nils Olof Zeilon. Svenska män och kvinnor 8: 464. Bonniers: Stockholm. P}

_{Gustafson, T. (1958). Nils Olof Zeilon. Kungl. Fysiografiska Sällskapets i Lund Förhandlingar}

_{28: 45*-49*. P}

_{Poggendorff, J.C. (1925). Zeilon, Nils Olof. Biographisch-Literarisches Handwörterbuch}

_{5: 1406; 6: 2958; 7b: 6165. Verlag Chemie: Leipzig, Berlin, with bibliography.}

_{Zeilon, N.O. (1912). On tidal boundary waves and related hydrodynamical problems. Kongliga Svenska Vetenskapsakademiens Handlingar 47(4): 1-46.}

_{Zeilon, N.O. (1915). On the influence of diffusion upon the propagation of boundary waves. Regia Societas Scientiarum Series 4 4(2): 1-16.}

_{Zeilon, N.O. (1924). On potential problems in the theory of fluid resistance. Svenska Vetenskapsakademiens Handlingar Series 3 1(1): 1-66.}

_{Zeilon, N.O. (1926). Ein allgemeines hydrodynamisches Potentialproblem. 2 IUTAM Congress}

_{Zurich: 481-483.}

_{Zeilon, N.O. (1934). Experiments on boundary tides. Elanders: Göteborg.}