Germinal Pierre Dandelin
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Germinal Pierre Dandelin(/ˈdændələn/;French pronunciation:[ʒɛʁminalpjɛʁdɑ̃dlɛ̃],12 April 1794 – 15 February 1847) was a Frenchmathematician,soldier,andprofessorofengineering.
Life
[edit]He was born nearParisto aFrenchfather andBelgianmother, studying first atGhentthen returning to Paris to study at theÉcole Polytechnique.He was wounded fighting underNapoleon.He worked for the Ministry of the Interior underLazare Carnot.Later he became a citizen of theNetherlands,a professor ofmining engineeringinBelgium,and then a member of the Belgian army.
Work
[edit]He is the eponym of theDandelin spheres,of Dandelin's theorem ingeometry(for an account of that theorem, seeDandelin spheres), and of theDandelin–Gräffe numerical methodof solution of algebraic equations. He also published on thestereographic projection,algebra,andprobability theory.
References
[edit]- Biography inDictionary of Scientific Biography(New York 1970–1990).
- Florian Cajori,The Dandelin–Gräffe method,inA history of Mathematics(New York, 1938), 364.
- A. S. Householder, Dandelin, Lobachevskii, or Gräffe?,American Mathematical Monthly66 (1959), 464–466.
- A. Quetelet, G P Dandelin,Biographie nationale XIV(Brussels,1873), 663–668.
- C. Runge,The Dandelin–Gräffe method,inPraxis der Gleichungen(Berlin-Leipzig, 1921), 136–158.
Further reading
[edit]- Struik, Dirk J. (1970–1980). "Dandelin, Germinal Pierre".Dictionary of Scientific Biography.Vol. 3. New York: Charles Scribner's Sons. pp. 554–555.ISBN978-0-684-10114-9.