Walther Rosemann

Walther Ernst Paul Rosemann (born September 16, 1899 in Greifswald , † September 4, 1971 in Gronau (Leine) ) was a German mathematician.

family

His father was Rudolf Rosemann (physiologist), his two younger brothers were Heinz Rudolf (art historian) and Hans-Ulrich (physiologist). His marriage to Hildegard Trage has two children, u. a. Harald (engineer).

Live and act

Walther Rosemann took part in the foot artillery in the First World War from 1917 . From 1919 he studied mathematics in Münster and then in Göttingen with David Hilbert and Felix Klein . In 1922 he received his PhD with a thesis on the system of axioms in plane geometry. phil. PhD . From 1922 to 1925 he was a private assistant at Felix Klein. One of his tasks was to edit his lectures on non-Euclidean geometry for printing. From 1925 to 1934 he was an assistant at the Technical University of Hanover , first with Georg Prange and then with Horst von Sanden ; he completed his habilitation in 1929 with a thesis on the potential of multi-conductor cables. The appointment as adjunct professor took place in 1935 initially non-civil servants, then in 1939 civil servants on revocation.

At the beginning of the Second World War he was drafted as a reserve officer for flak and served in positions on the Siegfried Line and in France then in flak schools as an instructor. He was also involved in the processing and issuing of radio measurement regulations (radar) for the German flak. Most recently he was a major and at the end of the war he became an American prisoner of war , from which he was released towards the end of 1945.

By order of the Allied military government , Walther Rosemann was dismissed as an extraordinary professor in 1945. After clarifying the facts, he was classified in the denazification in the appointment process in 1949 "as a nominal, non-influential member" in the category V. As a former civil servant on revocation, he was only taken back into service at the Technical University of Hanover as an adjunct professor in 1959. In the meantime, various studies with Walther Wegener on fiber length distributions had emerged from studies in the textile industry.

Publications

• Walther Rosemann: The structure of planar geometry without the axiom of symmetry . In: Mathematical Annals . tape 90 . Springer, Berlin 1923, p. 108-128 .
• Felix Klein, edited for print by Walther Rosemann: Lectures on non-Euclidean geometry (=  The basic teachings of the mathematical sciences in individual representations ). Springer, Berlin 1928.
• Walther Rosemann: Potentials of multi-conductor cables and related arrangements . In: Journal for Applied Mathematics and Mechanics . tape 12 , 1932, p. 79-94 .
• Walther Rosemann (with Meisel): Volume additivity and radius additivity . In: Wilhelm Biltz (Ed.): Raumchemie der solids . Voss, Leipzig 1934, p. 270-281 .
• Walther Rosemann: Mathematics . Ed .: Ferdinand Schleicher (=  pocket book for civil engineers ). 1 and corrected reprint 1949 edition. Springer, Berlin 1943, p. 1-84 .
• Walther Rosemann: Mathematics . Ed .: Ferdinand Schleicher (=  pocket book for civil engineers ). 2nd Edition. Springer, Berlin, Göttingen, Heidelberg 1955, pp. 1-156 .

literature

• Gerhard Lüdtke, Friedrich Richter (Ed.): Kürschner's German Scholars Calendar, Edition 6 . tape 2 . de Gruyter & Co, Berlin 1941, Sp. 504 .
• Rudolph Zaunick and Hans Salié (eds.): J. C: Poggendorff Biographical-literary concise dictionary of the exact natural sciences . VIIa. Akademie-Verlag, Berlin 1959, p. 811 .
• Horst Gerken (Ed.): Catalogus Professorum 1831-2006, commemorative publication for the 175th anniversary of the University of Hanover . tape 2 . Georg Olms, Hildesheim, Zurich, New York 2006, ISBN 3-487-13115-3 , pp. 419 .

Individual evidence

1. ↑ Appointment committee for denazification in the Reg.-District Hanover, I Spruchausschuß Hanover, AZ: Dr. Schn / VE 3321, Sl. SpE 2496
2. ^ In Melliand Textile Reports, Volume 38 (1957) pages 1340-1345 and Volume 39 (1958) pages 368-275 and 844-852