The Big Bang Theory Wiki
The Big Bang Theory Wiki

Dr. Grant Linkletter is a physics professor at East Texas Tech. His research spans gravitons and solar neutrinos.

Series overview

Dr. Linketter first appears in “A Nuclear Reactor and a Boy Called Lovely” at a university event which Dr. Sturgis attends with Meemaw.

In “A Swedish Science Thing and the Equation for Toast”, Dr. Linkletter reaches out to Meemaw when Dr. Sturgis has an incident at the university.

In “A Broom Closet and Satan's Monopoly Board” With Dr. Sturgis still away, Meemaw asks Dr. Linkletter if Sheldon can attend his lectures, to which he says yes.

In “An Entrepreneurialist and a Swat on the Bottom”, Dr. Linkletter invites Sheldon and Meemaw to attend a lecture with him, but Meemaw fears he's using Sheldon to get to her. Sheldon later calls him to ask if this is true, but he lies.

In “An Academic Crime and a More Romantic Taco Bell”, Sheldon asks Dr. Linkletter for advice when he feels Dr. Sturgis is unfairly using his work.

"A Philosophy Class and Worms That Can Chase You" where Dr. Linkletter has to deal with Sheldon full time in four years. He tried to advise Sheldon to drop the philosophy class if he wasn't interested. Later in "An Existential Crisis and a Bear That Makes Bubbles," when Sheldon's sense of reality is shattered by his philosophy professor, he brings him into the office where Meemaw and the professor are discussing the impact of her class. Dr. Linkletter is shocked when he considered changing his major from physics to philosophy.

A Pager, a Club and a Cranky Bag of Wrinkles Dr Linkletter avoids Sheldon every time he has lunch or bothers him. Dr Linkletter sees Sheldon’s true colors as arrogant jerk who thinks he knows everything.



  • His romantic interest in Meemaw shows that he’s single. But whether he is a widower or divorced is unknown. It is also unknown if he has any children.
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Young Sheldon Characters, Cast & Crew
Main Characters Main Sheldon Cooper  ‧  Mary Cooper  ‧  George Cooper Sr.  ‧  George Cooper Jr.  ‧  Missy Cooper  ‧  Meemaw
Recurring and Minor Characters Tam Nguyen  ‧  Veronica Duncan  ‧  Billy Sparks  ‧  Brenda Sparks  ‧  Herschel Sparks  ‧  Victoria McElroy  ‧  Evelyn Ingram  ‧  Wayne Wilkins  ‧  Hubert Givens  ‧  Sheryl Hutchins  ‧  Gene Lundy  ‧  Tom Petersen  ‧  Le Nguyen  ‧  Trang Nguyen  ‧  Mai Nguyen  ‧  Kim-Ly Nguyen   ‧  John Sturgis  ‧  Paige Swanson  ‧ Barry Swanson  ‧  Linda Swanson  ‧  Erica Swanson  ‧  Dale Ballard  ‧  Selena  ‧  Jeff Difford  ‧  Robin Difford  ‧  Jana  ‧  Marcus Larson  ‧  June  ‧  Grant Linkletter  ‧ President Hagemeyer
Cast Regulars Iain Armitage  ‧  Zoe Perry  ‧  Lance Barber  ‧  Montana Jordan  ‧  Raegan Revord  ‧  Annie Potts  ‧  Matt Hobby  ‧  Jim Parsons
Recurring Ryan Phuong  ‧  Isabel May  ‧  Wyatt McClure  ‧  Melissa Peterman  ‧  Billy Gardell  ‧  Valerie Mahaffey  ‧  Danielle Pinnock  ‧  Doc Farrow  ‧  Brian Stepanek  ‧  Sarah Baker  ‧  Rex Linn  ‧  Wallace Shawn  ‧  McKenna Grace  ‧  Craig T. Nelson  ‧  Ava Allan  ‧  Jason Alexander  ‧  Reba McEntire  ‧ Ed Begley Jr.  ‧ Wendie Malick
As Selves Elon Musk
Crew Writers Chuck Lorre * (Creator)  ‧  Steven Molaro * (Creator)
Directors Jon Favreau
Science consultant : David Saltzberg Director of photography : Steven V. Silver
Executive Producers : Steven Molaro / Jim Parsons / Todd Spiewak Unit production manager : Kelly-Anne Lee *
Theme composer / performer : Steve Burns (performer) / Rob Cavallo (producer) Chuck Lorre Productions
also as Producer Young Sheldon : Full cast & crew on IMDb