
And all from a country whose
entire CONTRIBUTION
The Big Bang Theory Season 5, Episode 24

...you must consider only the
CONTRIBUTION of the man to the field...
The Big Bang Theory Season 3, Episode 7

...to make any significant CONTRIBUTION
to physics played a trick on you.
The Big Bang Theory Season 2, Episode 6

...you'll put them in order of the size
of their CONTRIBUTION to their fields.
The Big Bang Theory Season 3, Episode 7

...I'm the only one making any real-world
CONTRIBUTION to science and technology.
The Big Bang Theory Season 2, Episode 22