December 13th
- Philip Warren Anderson is an American physicist who shared (with John H. Van Vleck and Sir Nevill F. Mott) the 1977 Nobel Prize for Physics for his research on semiconductors, superconductivity, and magnetism.
- He made contributions to the study of solid-state physics, and research on molecular interactions has been facilitated by his work on the spectroscopy of gases.
- He conceived a model (known as the Anderson model) to describe what happens when an impurity atom is present in a metal.
