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Leonard (full body) Leonard Leakey Hofstadter [1] [2], Ph.D., is one of the main protagonists of The Big Bang Theory. He is an experimental physicist at the California Institute of Technology who formerly roomed with Sheldon Cooper in Apartment 4A. Now he and his wife Penny live in that apartment.
Leonard Hofstadter is a fictional character from The Big Bang Theory, portrayed by Johnny Galecki. He is an experimental physicist, a geek, and Penny's husband.
Galecki played Leonard Hofstadter in the CBS sitcom The Big Bang Theory, which ran from 2007 to 2019 and was, for most of its run, among the top three most popular television comedies in the US.
John Mark "Johnny" Galecki (born April 30, 1975) is a Belgian-born American actor best known for his role as Dr. Leonard Hofstadter in the hit sitcom The Big Bang Theory since 2007 and as David Healy in the sitcom Roseanne from 1992 to 1997 and 2018.
Learn about Leonard Hofstadter, an experimental physicist and one of the main characters of The Big Bang Theory. Find out about his family, his relationship with Penny, and his interests and hobbies.
Johnny Galecki is an American actor who starred as Leonard Hofstadter in the sitcom The Big Bang Theory (2007-2019). He also appeared in movies such as National Lampoon's Christmas Vacation (1989) and Suicide Kings (1997), and TV shows such as Roseanne (1988-1997) and My Boys (2006).
Leonard is a nerd who loves video games, comic books, and Dungeons & Dragons. Leonard is the straight man of the series, sharing an apartment in Pasadena, CA, with Sheldon Cooper. Leonard is smitten with his new neighbor Penny when they first meet, and they eventually marry.
