- What connection does Nambu's early work have to the later development of string theory?
String Theory
A candidate theory of quantum gravity built on vibrating strings.
- How did Oskar Klein's refinement of Kaluza's idea anticipate the extra dimensions required by string theory?
- What are Calabi-Yau manifolds, and why did they turn out to matter for string theory?
- Why was Edward Witten's Fields Medal notable given that he is a physicist rather than a mathematician?