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Johannes Droste
Johannes Droste (28 May 1886 – 16 September 1963) was a Dutch mathematician and the second person, after Karl Schwarzschild, to have solved Einstein's field equation In the general theory of relativity, the Einstein field equations (EFE; also known as Einstein's equations) relate the geometry of spacetime to the distribution of matter within it. The equations were published by Einstein in 1915 in the form .... Biography On 27 May 1916, a student of Hendrik Lorentz at the University of Leiden, Droste presented his solution of Einstein's equation to the Royal Netherlands Academy of Arts and Sciences. He obtained his doctorate in 1916. From 1914 to 1919, Droste taught mathematics at the gymnasium in Gorinchem. He then joined the University of Leiden and became professor of mathematics there in 1930. Devoting himself to the teaching of mathematical analysis, he abandoned his research in physics, with the exception of a few contributions in elasticity and thermodynamics. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Johannes Droste
Johannes Droste (28 May 1886 – 16 September 1963) was a Dutch mathematician and the second person, after Karl Schwarzschild, to have solved Einstein's field equation In the general theory of relativity, the Einstein field equations (EFE; also known as Einstein's equations) relate the geometry of spacetime to the distribution of matter within it. The equations were published by Einstein in 1915 in the form .... Biography On 27 May 1916, a student of Hendrik Lorentz at the University of Leiden, Droste presented his solution of Einstein's equation to the Royal Netherlands Academy of Arts and Sciences. He obtained his doctorate in 1916. From 1914 to 1919, Droste taught mathematics at the gymnasium in Gorinchem. He then joined the University of Leiden and became professor of mathematics there in 1930. Devoting himself to the teaching of mathematical analysis, he abandoned his research in physics, with the exception of a few contributions in elasticity and thermodynamics. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Karl Schwarzschild
Karl Schwarzschild (; 9 October 1873 – 11 May 1916) was a German physicist and astronomer. Schwarzschild provided the first exact solution to the Einstein field equations of general relativity, for the limited case of a single spherical non-rotating mass, which he accomplished in 1915, the same year that Einstein first introduced general relativity. The Schwarzschild solution, which makes use of Schwarzschild coordinates and the Schwarzschild metric, leads to a derivation of the Schwarzschild radius, which is the size of the event horizon of a non-rotating black hole. Schwarzschild accomplished this while serving in the German army during World War I. He died the following year from the autoimmune disease pemphigus, which he developed while at the Russian front. Various forms of the disease particularly affect people of Ashkenazi Jewish origin. Asteroid 837 Schwarzschilda is named in his honour, as is the large crater ''Schwarzschild'', on the far side of the Moon. Life ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Einstein's Field Equation
In the general theory of relativity, the Einstein field equations (EFE; also known as Einstein's equations) relate the geometry of spacetime to the distribution of matter within it. The equations were published by Einstein in 1915 in the form of a tensor equation which related the local ' (expressed by the Einstein tensor) with the local energy, momentum and stress within that spacetime (expressed by the stress–energy tensor). Analogously to the way that electromagnetic fields are related to the distribution of charges and currents via Maxwell's equations, the EFE relate the spacetime geometry to the distribution of mass–energy, momentum and stress, that is, they determine the metric tensor of spacetime for a given arrangement of stress–energy–momentum in the spacetime. The relationship between the metric tensor and the Einstein tensor allows the EFE to be written as a set of nonlinear partial differential equations when used in this way. The solutions of the EFE ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
1886 Births
Events January–March * January 1 – Upper Burma is formally annexed to British Burma, following its conquest in the Third Anglo-Burmese War of November 1885. * January 5– 9 – Robert Louis Stevenson's novella ''Strange Case of Dr Jekyll and Mr Hyde'' is published in New York and London. * January 16 – A resolution is passed in the German Parliament to condemn the Prussian deportations, the politically motivated mass expulsion of ethnic Poles and Jews from Prussia, initiated by Otto von Bismarck. * January 18 – Modern field hockey is born with the formation of The Hockey Association in England. * January 29 – Karl Benz patents the first successful gasoline-driven automobile, the Benz Patent-Motorwagen (built in 1885). * February 6– 9 – Seattle riot of 1886: Anti-Chinese sentiments result in riots in Seattle, Washington. * February 8 – The West End Riots following a popular meeting in Trafalgar Square, London. * F ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
