The Big Bang Theory" The Proton Resurgence (TV Episode 2013) - IMDb
Why did The Big Bang Theory cut Stephen Hawking tribute? - BBC News
Professors/Academics | The Big Bang Theory Wiki | Fandom
Big Bang Theory' Best Recurring Characters Ranked: Professor Proton | TVLine
The Man Who Gets The Science Right On 'The Big Bang Theory' : NPR
Stephen Hawking Guest-Starred on 'Big Bang Theory' in 2012 – The Hollywood Reporter
How The Big Bang Theory Landed Bob Newhart As Professor Proton | Cinemablend
The Big Bang Theory" The Proton Resurgence (TV Episode 2013) - IMDb
Why Professor Crawley From The Big Bang Theory Looks So Familiar
Amy agrees to a date with bert (TBBT: 7X13 The Occupation Recalibration) - YouTube
Professor Stephen Hawking films Big Bang Theory cameo - BBC News
Bob Newhart | The Big Bang Theory Wiki | Fandom
The Big Bang Theory' Season 7: Bob Newhart Returns as Professor Proton
Big Bang Theory: What happened to Professor Proton? Why did he leave? | TV & Radio | Showbiz & TV | Express.co.uk
Making a 'Big Bang' on TV: 10 questions with David Saltzberg | UCLA
Bob Newhart and Bill Nye to guest on 'The Big Bang Theory' | EW.com
The Professor Proton Show - The Big Bang Theory - TV Fanatic
Professor Proton | The Big Bang Theory Wiki | Fandom
Bob Newhart's force is with 'The Big Bang Theory'
The Big Bang Theory Season 8 Episode 2 Review: The Junior Professor Solution - TV Fanatic
Category:Caltech Faculty | The Big Bang Theory Wiki | Fandom
Big Bang Theory': Professor Proton Dies – The Hollywood Reporter
Professor Proton | The Big Bang Theory Wiki | Fandom
The Big Bang Theory' Takes Math Notes From Carl Pomerance | Dartmouth
Professor Sharp | The Big Bang Theory Wiki | Fandom
