Person: Gubler, Salomon Eduard
Eduard Gubler was a Swiss school teacher. His research interest was in the theory of Bessel functions.
Mathematical Profile (Excerpt):
 His supervisor was Graf, which suggests that Gubler received his doctorate from the University of Bern.
 In 1896 Gubler habilitated as Privatdozent at the University of Zürich with the paper Über ein discontinuirliches Integral Ⓣ(On a discontinuous integral) .
 At the university, Gubler mainly lectured on algebraic analysis, number theory, higher algebra, planar and spherical trigonometry, integral calculus, and methodology of mathematics teaching at secondary schools.
 Gubler's research interest was in the theory of Bessel functions, following the school of thought established by Schläfli's student Graf.
 Together with Graf, Gubler published Einleitung in die Theorie der Bessel'schen Funktionen Ⓣ(Introduction to the theory of Bessel functions) (18981900).
 Gubler cofounded the Swiss Society of Mathematics Teachers in 1901.
 Gubler joined the enlarged organising committee of the first International Congress of Mathematicians in December 1896.
 Gubler attended both the 1904 ICM in Heidelberg and the 1908 ICM in Rome, but did not give any talks.
Born 7 July 1845, Wila, Zürich canton, Switzerland. Died 6 November 1921, Zürich, Switzerland.
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References
Adapted from other CC BYSA 4.0 Sources:
 O’Connor, John J; Robertson, Edmund F: MacTutor History of Mathematics Archive