Ofir Samuel on Twitter: "@Route_60plus Arthur Jeffries, Professor Proton in the Big Bang Theory, actor is Bob Newhart, he was hilarious in the show 😂" / Twitter
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REVEALED) 'Big Bang Theory' Sets Big Star Return in Season 11
Bob Newhart Returns to The Big Bang Theory in Season 11
the Big Bang Theory's' Famous Cameos and Guest Stars
Professor Proton | The Big Bang Theory Wiki | Fandom
Big Bang Theory: Bob Newhart Makes A Return Appearance As Professor Proton
Bob Newhart - Wikipedia
Bob Newhart wins first Emmy for 'Big Bang Theory' | CNN
Bob Newhart - Wikipedia
Bob Newhart | The Big Bang Theory Wiki | Fandom
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Fan Casting Michael Keaton as Professor Proton. in The Big Bang Theory. on myCast
the Big Bang Theory's' Famous Cameos and Guest Stars
The Big Bang Theory's Most Epic Guest Stars | Entertainment Tonight
Big Bang Theory: What happened to Professor Proton? Why did he leave? | TV & Radio | Showbiz & TV | Express.co.uk
Bob Newhart, aka 'Professor Proton,' bids farewell to 'Big Bang Theory'
The Big Bang Theory' Season 11 Spoilers: Bob Newhart Returning – TVLine
