...a Polish astronomer. Finally, if that
wasn't enough, which it should've been...
The Big Bang Theory Season 6, Episode 4
Would you like me
to play some Polish music
The Big Bang Theory Season 7, Episode 23
Excuse me, the word is POLISH.
The Big Bang Theory Season 6, Episode 4
Polish sausage!
The Big Bang Theory Season 6, Episode 4
shoe POLISH on
the microscope,
The Big Bang Theory Season 5, Episode 16