Title: On the History of Science  •  published by Thomas Dittert

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These older Neujahrsgaben are available:


Title: du Bois-Reymond, History of Science 



Emil du Bois-Reymond

Über Geschichte der Wissenschaft

Neujahrsgabe 1989

Du Bois-Reymond's speech of 1872 treats the
significance of the history of science.

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Title: Kepler, Conic sections

Johannes Kepler

De coni sectionibus / Über die Kegelschnitte

Latin and German

Edited and translated by Thomas Dittert

Neujahrsgabe 1990

62 pages, paper binding, thread stitching  •  12,00 €

ISBN 978-3-927423-90-9

Kepler was the first mathematician to discuss the hyperbola, the parabola, the ellipse, and the circle as curves transforming continuously from one into another.

„Kepler's invention of points at infinity made it possible to regard the projective plane as the affine plane plus the line at infinity." H.S.M. Coxeter

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The series of Neujahrsgaben will be continued in the future (from New Year 2026 on).