Paul Stäckel

Paul Stäckel.

Paul Gustav Samuel Stäckel (20 August 1862, Berlin – 12 December 1919, Heidelberg) was a German mathematician, active in the areas of differential geometry, number theory, and non-Euclidean geometry. In the area of prime number theory, he used the term twin prime (in its German form, "Primzahlzwilling") for the first time.[1][2]

After passing his Abitur in 1880 he studied mathematics and physics at the University of Berlin, but also listened to lectures on philosophy, psychology, education, and history. A year later he qualified for teaching in higher education and then taught at Gymnasien in Berlin. In 1885 he wrote his doctoral dissertation under Leopold Kronecker and Karl Weierstraß. In 1891 he completed his Habilitation at the University of Halle. Later he worked as a professor at the University of Königsberg (außerordentlicher professor from 1895 to 1897), the University of Kiel (ordentlicher professor, 1897 to 1905), University of Hannover (1905 to 1908), the Karlsruhe Institute of Technology (1908 to 1913), and the University of Heidelberg (1913 to 1919).

Stäckel worked on both mathematics and the history of mathematics. He edited the letters exchanged between Carl Friedrich Gauss and Wolfgang Bolyai, made contributions to editions of the collected works of Euler and Gauss (for whose works he wrote Gauss als Geometer), and edited the Geometrischen Untersuchungen by Wolfgang and Johann Bolyai (published in 1913). Additionally he translated works of Jacob Bernoulli, Johann Bernoulli, Augustin Louis Cauchy, Leonhard Euler, Joseph-Louis Lagrange, Adrien-Marie Legendre, Carl Gustav Jacobi from French and Latin into German for the series Ostwalds Klassiker der exakten Wissenschaften.

In 1905 he was the president of the Deutsche Mathematiker-Vereinigung.

Works

References

  1. ↑ Tietze, Heinrich (1949). Gelöste und ungelöste mathematische Probleme aus alter und neuer Zeit. Vol. I. Munich: Biederstein Verlag. p. 17. According to Tietze, in reference to the term Primzahlzwillinge (i.e. "prime number twins"), "Der Ausdruck ist wohl von P. Stäckel (1862-1920) geprägt und hat sich seitdem eingebürgert."
  2. ↑ Stäckel, Paul (1916), "Die Darstellung der geraden Zahlen als Summen von zwei Primzahlen" (PDF), Sitzungsberichte der Heidelberger Akademie der Wissenschaften, Mathematisch-naturwissenschaftliche Klasse (in German), 7A (10): 1–47. See in particular p. 22: "Brun nennt solche Paare von Primzahlen einfach Primzahlpaare. Dieses Wort wird jedoch zu oft in anderer Bedeutung gebraucht – handelt es sich doch beim Goldbachschen Satze selbst auch um gewisse Primzahlpaare – als dass es jenem besonderen Zweck dienen könnte, und ich were daher Paare von Primzahlen, die sich um zwei unterscheiden, Primzahlzwillinge nennen."

External links

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