Rudolf Haag
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Rudolf Haag was a German theoretical physicist, who mainly dealt with fundamental questions of quantum field theory. He was one of the founders of the modern formulation of quantum field theory, and h
Rudolf Haag in 1992
Theoretical physics
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Theoretical physics is a branch of physics that uses mathematical models and abstractions of physical objects and systems to explain and predict natural phenomena. It is, in the broadest sense, the at
Visual representation of a Schwarzschild wormhole. Wormholes have never been observed, but they are predicted by mathematical models in general relativity.
The title page of the second edition (1713) of Newton's Philosophiae Naturalis Principia Mathematica. The first edition appeared in 1687 and is widely regarded as the founding document of theoretical physics in the modern sense.