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Martinus J.G. Veltman (born June 27, 1931, Waalwijk, Netherlands—died January 4, 2021, Bilthoven) was a Dutch physicist, corecipient with Gerardus ’t Hooft of the 1999 Nobel Prize for Physics for their development of a method of mathematically predicting the properties of both the subatomic particles that make up the universe and the fundamental forces through which they interact. Their work led to the discovery of a new subatomic particle, the top quark. In 1963 Veltman...