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Theodor Kaluza, German mathematician and physicist (born 1885)
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Theodor Kaluza
German mathematician and physicist
Theodor Franz Eduard Kaluza was a German mathematician and physicist known for the Kaluza–Klein theory, involving field equations in five-dimensional space-time. His idea that fundamental forces can be unified by introducing additional dimensions was reused much later for string…Source: Wikipedia (CC BY-SA)
January 19
Day of the year
January 19 is the 19th day of the year in the Gregorian calendar; 346 days remain until the end of the year.Source: Wikipedia (CC BY-SA)