It takes so long to train a physicist to the place where he understands the nature of physical problems that he is already too old to solve them.

"The Magnitude of the Eta Effect" Du Pont de Nemours (E. Jensen. At Princeton in 1934 Wigner introduced his sister Manci to the physicist Paul Dirac whom Eugene Wigner married.

Wigner is important for having laid the foundation for the theory of symmetries in quantum mechanics as well as for his research into the structure of the atomic nucleus. Hans D. Eugene Paul "E.