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C-L-E-R-K"
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

There was a scientist who had a theory
And James Clerk Maxwell was his name-o
The Big Bang Theory Season 8, Episode 21
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...on the "defecating
Clerk Maxwell." So...
The Big Bang Theory Season 4, Episode 3

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