Well, gauge theory is very fundamental to our understanding of physical forces these days. But they are also dependent on a mathematical idea, which has been around for longer than gauge theory has.
-- Roger Penrose
   
Roger Penrose   Name:
Roger Penrose
Type:
Physicist
Nationality:
English
Birth:
August 8, 1931
https://www.nutquote.com/quote/Roger_Penrose