Senior THEORETICAL particle physicist
at CaITech, focusing on M Theory.
The Big Bang Theory Season 3, Episode 14
Of course not.
I'm a THEORETICAL physicist.
The Big Bang Theory Season 2, Episode 23
Not just for THEORETICAL physics,
but for astrophysics.
The Big Bang Theory Season 8, Episode 6
I am a published THEORETICAL physicist
with two doctorates...
The Big Bang Theory Season 2, Episode 2
...because he said
it was a THEORETICAL nut conflict.
The Big Bang Theory Season 8, Episode 21