what do these terms have to do with eachother?
Yang and Mills generalized the concept of gauge theory in the case of non-cummutative symmetry
't Hooft (and Veltman) proved the renormalizability
Instanton is a term coined by 't Hooft. See [thread=34636]this thread[/thread] or [thread=55628]this one[/thread] or [thread=38964]this more compete one[/thread]
Separate names with a comma.