High Quality Content by WIKIPEDIA articles! Cornelius Lanczos, born (til 1906) Lowy (Lowy) Kornel (February 2, 1893 – June 25, 1974) was a Hungarian mathematician and physicist. He was born at Szekesfehervar, as a son of Karl Lowy (Lowy Karoly) and Adel Hahn. Lanczos' Ph.D. thesis (1921) was on relativity theory. In 1924 he discovered an exact solution of the Einstein field equation which represents a cylindrically symmetric rigidly rotating configuration of dust particles. This was later rediscovered by Willem Jacob van Stockum and is known today as the van Stockum dust. It is one of the simplest known exact solutions in general relativity and regarded as an important example, in part because it exhibits closed timelike curves. Lanczos served as assistant to Albert Einstein during the period 1928–29.

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