1925 Werner Heisenberg, Max Born, and Pascual Jordan develop matrix mechanics to describe the wavelike behavior of particles.
1926 Erwin Schrödinger develops a wave function describing the change in an electron over time.
1932 The existence of the positron, the antiparticle to the electron, is confirmed by Carl Anderson.
1940s Richard Feynman, Sin-Itiro Tomonaga, and Julian Schwinger develop quantum electrodynamics—a mathematical way to describe the interaction between light and matter, which fully unites quantum theory with special relativity.
English physicist Paul Dirac contributed a huge amount to the theoretical ...