
There was a scientist who had a theory
And James Clerk Maxwell was his name-o
The Big Bang Theory Season 8, Episode 21

...like Clerk Maxwell or Dirac?
The Big Bang Theory Season 4, Episode 3

Babinski eats Dirac for breakfast
and defecates Clerk Maxwell.
The Big Bang Theory Season 4, Episode 3

C-L-E-R-K
The Big Bang Theory Season 8, Episode 21

And James Clerk Maxwell was his name-o
The Big Bang Theory Season 8, Episode 21