I kept going as long as they'd have me." Read more: These Are The Real-Life Partners Of The Big Bang Theory Cast To most, Jim Parsons' high school portrait is nearly unrecognizable from his red ca ...

Read more: These Are The Real-Life Partners Of The Big Bang Theory Cast Jim Parsons is well-known as the eccentric scientist and comic book fanboy Sheldon Cooper on the hit CBS sitcom "The Big ...

The TBBT spinoff, Young Sheldon, depicted the early life of the genius and socially awkward Sheldon Cooper (Jim Parsons). Iain Armitage plays the character of Sheldon.

However, as Chuck Lorre told The Hollywood Reporter, the genesis for Sheldon Cooper's coming-of-age story came from a conversation he had with Jim Parsons about a real-life child genius.