Today, Hermann Minkowski is most famous for introducing a two-dimensional space-time diagram to explain the Lorentz transformation of Special Relativity. Over the last century, this intuitive visual aid has helped clarify Einstein's theory, significantly facilitating its dissemination to scientists and the general public.  However, according to Minkowski, Einstein's former math teacher at the Polytechnic, Einstein clarified the physical significance of Lorentz's theory, but did not grasp the...