Английская Википедия:Carl Anton Bjerknes
Шаблон:Short description Шаблон:Infobox scientist
Carl Anton Bjerknes (Шаблон:IPAc-en Шаблон:Respell, Шаблон:IPA-no; 24 October 1825 – 20 March 1903) was a Norwegian mathematician and physicist. Bjerknes' earlier work was in pure mathematics, but he is principally known for his studies in hydrodynamics.[1]
Biography
Carl Anton Bjerknes was born in Oslo, Norway. His father was Abraham Isaksen Bjerknes and his mother Elen Birgitte Holmen. Bjerknes studied mining at the University of Oslo, and after that mathematics at the University of Göttingen and the University of Paris. In 1866 he held a chair for applied mathematics and in 1869 for mathematics. Over a fifty-year time period, Bjerknes taught mathematics at the University of Oslo and at the military college.
A pupil of Peter Gustav Lejeune Dirichlet, Gabriel Lamé and Augustin-Louis Cauchy Bjerknes worked for the rest of his life in the field of hydrodynamics. He tried to explain the electrodynamics of James Clerk Maxwell by hydrodynamical analogies and similarly he proposed a mechanical explanation of gravitation. Although he did not succeed in his attempts to explain all those things, his findings in the field of hydrodynamics were important. His experiments were shown at the first International Exposition of Electricity in Paris that ran from August 15, 1881 through to November 15, 1881 at the Palais de l'Industrie on the Champs-Élysées and at the Scandinavian naturalist meeting in Stockholm.
John Charles Fields the founder of the Fields Medal for outstanding achievement in mathematics had this to say about the great minds that Norway had produced since it gained independence: Шаблон:Block quote
International Exposition of Electricity
When at the 1881 Paris International Electric Exhibition, he (Carl Anton) and his son (Vilhelm Bjerknes), demonstrated instruments that reproduced hydrodynamic analogies, few observers could ignore these baffling phenomena. Such celebrities as Hermann von Helmholtz, Gustav Kirchhoff, William Thomson (Lord Kelvin), the Siemens brothers, and the Marquis of Salisbury visited the small Norwegian exhibit booth and watched with amazement as a system of pulsating spheres and similar devices appeared to reproduce well-known electric and magnetic phenomena. For many observers the Bjerknes apparatus seemed to illustrate that the mysterious nature of electricity could perhaps be revealed. British observers allegedly exclaimed, "Maxwell should have seen this!" Of the eleven diplômes d'honneur, seven went to non-French exhibitors, including Werner Siemens, Thomas Edison, Alexander Graham Bell and William Thomson. Professor Carl Anton Bjerknes, representing Norway, joined their ranks.[2]
Family
On June 30, 1859, after returning from his foreign travels, Bjerknes married Wilhelmine Dorothea Koren (10.11.1837–21.10.1923) whose father was a minister in the Church in West Norway. His son Norwegian physicist and meteorologist, Vilhelm Bjerknes continued the work of his father.
Death
Bjerknes died suddenly of a stroke on 20 March 1903 at the age of 77.[3]
Selected works
- Niels Henrik Abel. En skildring af hans liv og videnskabelige virksomhed (A description of his life and scientific activity) (Stockholm. 1880)
References
Other sources
- Шаблон:MacTutor Biography
- Шаблон:Citation
- Шаблон:Citation
- Author profile in the database zbMATH
- ↑ Carl Anton Bjerknes (Karen Mathilde Haugland. Store norske leksikon)
- ↑ Appropriating the Weather: Vilhelm Bjerknes and the Construction of a Modern Meteorology, Robert Marc Friedman, Nov 1, 1993
- ↑ "To some it may appear strange that the son of C. A. Bjerknes should have been chosen to deliver the commemorative address summing up the life-work of his father. As a matter of fact, however, no other choice could have been made. In his scientific research Bjerknes worked apart from others. His only confidant and colleague was his son. So in the monograph before us the son, after sketching his father's early life, traces step by step the development of the Hydrodynamic Action at a Distance from the days when its author was a pupil under Cauchy, Lamé, and Dirichlet until the last manuscript, written two or three days before his sudden death by apoplexy. Bjerknes left about 40,000 pages of closely written manuscript, accumulated since the early seventies. So great was his love of perfection, his striving for quality rather than quantity that little of all this had been published until the appearance of the Hydrodynamische Fernkrâfte and that which remains is accompanied by a request that nothing be printed without the most careful revision. It is a rare and noble sight to see men like Josiah Willard Gibbs and Bjerknes who are possessed of a spirit of research apart from the common desire to rush into print." —Edmund Beecher Wilson, Bulletin of the American Mathematical Society, Vol.X, October 1903 to July 1904
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