John Bardeen (1908-1991)
He graduated from University High School in Madison, Wisconsin in 1923 at the age of 15. He graduated from the University of Wisconsin in 1928 with a B.S. in electrical engineering. He received the Nobel Prize in Physics in 1956 for his work on semiconductors and the discovery of the transistor effect. In 1957, he and his colleagues also proposed the first successful explanation of superconductivity since its discovery in 1908.