
"The Effect of High Energy Muons
on Proton Pion Scattering
The Big Bang Theory Season 12, Episode 9

Wil Wheaton wants you to be
on Professor Proton.
The Big Bang Theory Season 11, Episode 15

Hey, everybody.
I'm Professor Proton.
The Big Bang Theory Season 11, Episode 15

Professor Proton was never late
when he was on TV.
The Big Bang Theory Season 6, Episode 22

but Professor Proton
came to me in a dream,
The Big Bang Theory Season 9, Episode 11