
Senior theoretical particle PHYSICIST
at CaITech, focusing on M Theory.
The Big Bang Theory Season 3, Episode 14

He's an experimental PHYSICIST.
The Big Bang Theory Season 6, Episode 5

Maybe we can find
another theoretical PHYSICIST to help us.
The Big Bang Theory Season 10, Episode 15

No, he's a theoretical PHYSICIST
at CalTech.
The Big Bang Theory Season 9, Episode 8

Of course not.
I'm a theoretical PHYSICIST.
The Big Bang Theory Season 2, Episode 23