Beloved comedian and actor Garry Shandling passed away earlier today at the age of 66, after being rushed to a Los Angeles hospital. TMZ reports the comedian and actor wasn't suffering from any known illness, and a source connected to the actor said he was healthy, and he was talking to people earlier this morning before his untimely death. A 911 call was received from the actor's home and he was taken to a local hospital. He was reportedly alive when he arrived at the hospital.

Just last weekend, actress Kathy Griffin sent out a photo from her Twitter account, where she was flanked by Garry Shandling and Better Call Saul star Bob Odenkirk. No official cause of death was given at this time, but we'll be sure to keep you posted with more details as this story continues to unfold. The actor was best known for his hit HBO series The Larry Sanders Show, but his legacy reaches far beyond that show.

Garry Shandling was born November 29, 1949 in Chicago, Illinois, and raised in Tuscon, Arizona. He attended the University of Arizona to study electrical engineering, but ended up graduating with a degree in marketing, while also studying creative writing as a graduate student. He moved to Los Angeles in 1973 and started his career as a writer on the hit TV series Sanford and Son in 1975. He went on to write for Welcome Back, Kotter and The Harvey Korman Show before turning his attention to stand-up comedy in 1978.

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He made his TV debut in 1981 on NBC's The Tonight Show Starring Johnny Carson, and became a fixture on the program, often serving as guest host until 1987. He created and starred in It's Garry Shandling's Show in 1986, which ran for four seasons until 1990. The comedian starred as a fictional version of himself in the groundbreaking series, who knew he was on a TV show, often breaking the fourth wall and interacting with the audience. In 1992, he created The Larry Sanders Show, which ran for six seasons on HBO from 1992 to 1998, and offered a satirical look at the world of late-night talk shows.

He also appeared in several movies such as Mixed Nuts, Love Affair, Hurlyburly and Zoolander. He joined the Marvel Cinematic Universe in 2010 by portraying Senator Stern in 2010's Iron Man 2, a role he reprised in his final movie role, 2014's Captain America: The Winter Soldier. He was also seen on a recent episode of Comedians in Cars Getting Coffee with Jerry Seinfeld, where the pair talked about Robin Williams' death, and tghe actor even joked about his own untimely demise. Take a look at the tweets from Kathy Griffin, which features one of the last photos of the late great Garry Shandling.