Over twelve seasons, Sheldon Cooper transformed from a socially oblivious genius into someone capable of genuine emotional ...

Imagine we had somehow filmed the whole history of the universe and you could play the movie in reverse. It would start off much as things stand today: a vast and elegant web of galaxies and nebulae.

It has been nearly two decades since he was introduced, so it’s easy to forget that the Stuart was very different when he joined the comedy. While The Big Bang Theory maintained his background as the ...