The Big Bang Theory has many great characters, but one of the most recognizable nearly had a totally different main character ...

The Big Bang Theory' had a long and successful run, but it refused to let Raj Koothrappali grow in any way, shape, or form.

The Big Bang Theory’s Sheldon Cooper and Leonard Hofstadter — two of the most iconic characters on television — were not named randomly. Instead, they were actually paying tribute to an acting legend.

The series followed best friends, roommates and physicists Sheldon Cooper (Jim Parsons), Leonard Hofstadter (Galecki) and Howard Wolowitz (Simon Helberg). Galecki’s Leonard married Cuoco’s ...

American sitcom The Big Bang Theory centers around friends Leonard Hofstadter (Johnny Galecki), Sheldon Cooper (Jim Parsons), Penny Teller (Kaley Cuoco), Howard Wolowitz (Simon Helberg ...

He is best known for playing Leonard Hofstadter on The Big Bang Theory (2007-2019). Galecki earned an Emmy Award nomination for his performance on the CBS sitcom and became one of the highest ...

The 50-year-old actor starred as the experimental physicist and love interest to Leonard Hofstadter (Johnny Galecki) from 2007 to 2010, and was downgraded from main to recurring cast in 2009.