As we prepare to ring in a new year, RadarOnline.com takes a look back at the celebrities we lost in 2011 who made their memorable mark on the world.

Apple founder Steve Jobs died at 56 on October 5 after a long battle with pancreatic cancer. The tech guru leaves a vast legacy in his industry over the better part of four decades, listed as the inventor of household items such as iPod, iPhone and iPad, among others. He was also the driving force behind companies like Pixar and Atari.

Legendary newsman Andy Rooney died November 4, just weeks after his 1097th and final weekly segment on the CBS stalwart 60 Minutes, capping off a 33-year run.

PHOTOS: Celebrities We Lost In 2011

How do you like them apples?

Steve Jobs will receive a Grammy Trustees Awards for his technological innovations in the arts and impact on the music industry, the show's organizers announced.

The Apple co-founder, who died at the age of 56 in October after an eight-year battle with pancreatic cancer, was a "creative visionary" who "transformed the way we consume music, TV, movies, and books," Grammy officials said.

Jobs will be among 12 people honored on February 11, the day before the televised show; others receiving honorary awards this year include Diana Ross, the Allman Brothers and Glen Campbell.

The Associated Press named Lady Gaga the Entertainer of the Year Monday, as the pop superstar edged late Apple founder Steve Jobs by just three votes.

The honor, voted on by 135 AP editors and broadcasters, is based on who had the most influence on entertainment and culture in 2011.

The singer, 25, has touched on a number of facets in the past year, from a hit album in Born This Way to a record-17 million Twitter followers to her tireless social work, which has recently been focused on the campaign against bullying.

PBS has unearthed a goldmine of a Steve Jobs interview, and it's being quickly turned into a movie.

In the early 1990s, PBS interviewed Jobs as part of a special called Triumphs of the Nerds. But only 10 minutes of the 70-minute chat was used, the rest spent the last 20 years in the PBS vault.

The footage is now being turned into a film called Steve Jobs: The Lost Interview.

PHOTOS: Steve Jobs Through The Years

Jobs died October 5 at age 56 after a lengthy battle with pancreatic cancer. The Apple founder's passing was mourned around the globe, and when his authorized biography went on sale this week, it was an instant number one on every Best Seller list.

Steve Jobs: The Lost Interview will open November 16 at Landmark Theatres in 19 cities. Expect super-long lines.

PHOTOS: Apple's Tribute To Steve Jobs

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Steve Jobs knew he was dying in the days before his October 5 passing, and his wife, four children and two sisters were all with him when the end came.

Now Mona Simpson, the novelist sister the adopted Jobs didn't meet until he was 27, has written an extraordinarily emotional Op-Ed piece for The New York Times where she reveals his stunning final words.

"Death didn't happen to Steve, he achieved it," Simpson wrote of those final hours.

PHOTOS: Steve Jobs Through The Years

He had been conscious until 2 pm October 4, and in that final alert moment -- "before embarking" as Simpson described it --  he looked at each one of his family members, and "then over their shoulders and past them.

PHOTOS: Apple's Tribute To Steve Jobs

"Steve's final words were: 'OH WOW. OH WOW. OH WOW'."

We could say the same thing about Steve Jobs' life.

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In advance of the release of Steve Jobs' authorized biography, author Walter Isaacson is revealing some fascinating tidbits about the late Apple founder.

According to the acclaimed biographer who interviewed Jobs numerous times over the last two years before his death, President Bill Clinton consulted Jobs on how to handle the 1998 Monica Lewinsky scandal.

PHOTOS: Steve Jobs Through The Years

The President was accused of having a White House fling with the then-intern, something he vehemently denied for months.

Jobs revealed to Isaacson that during a “late-night phone conversation” between he and the President, Clinton asked for advice on how to deal with the scandal.

PHOTOS: Apple's Tribute To Steve Jobs

"I don't know if you did it, but if so, you've got to tell the country," Jobs said he told Clinton.

And how did Clinton respond?  "There was silence on the other end of the line," Jobs says in the book.

PHOTOS: Celebs Who Died Young

Jobs also confessed to being star-struck when he met Bob Dylan. Mick Jagger he thought was either "on drugs or brain-damaged" when they met, he said.

Steve Jobs as the book is simply titled, goes on sale October 24.

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Steve Jobs, the Apple co-founder who died at 56 last week after an eight-year battle with pancreatic cancer, would likely be living now had he immediately embraced “conventional treatment” instead of seeking out alternative remedies, according to Dr. Ramzi Amri, a researcher at Harvard Medical School.

According to CNN, the Apple exec spurned traditional treatment for nine months following his October 2003 diagnosis. The outlet said Jobs took this tack “hoping to avoid the operation through a special diet.”

Not the best move, said Amri.

“Let me cut to the chase: Mr. Jobs allegedly chose to undergo all sorts of alternative treatment options before opting for conventional medicine,” Dr. Ramzi Amri, a researcher at Harvard Medical School, wrote on Quora, a popular online forum among Silicon Valley bigwigs.

Steve Job’s pancreatic cancer had spread to other parts of his body, according to his just-released death certificate.

The death certificate, released Monday by the Santa Clara County Public Health Department, said Jobs had a metastatic pancreas neuroendocrine tumor for the past five years. It listed his immediate cause of death as respiratory arrest.

The Apple co-founder died last Wednesday at his home in Palo Alto, California. He was 56.

Although he was buried last week, Apple employees will hold a private memorial service to celebrate Jobs' life on Wednesday, October 18 at the company's campus in Cupertino, California. The company will not hold any public services.

The Apple co-founder, whose tech innovations changed the world, was buried Friday after the most private of funerals, The Wall Street Journal reported.

Steve Jobs, who was only 56 when he died, had battled pancreatic cancer, which eventually also impacted his liver necessitating a transplant.

The funeral's secrecy helped avert a confrontation with radicals from the Westboro Baptist Church. As RadarOnline.com previously reported, the controversial group planned to picket Jobs' funeral, saying he "gave God no glory."

We’ve got a look back at the life of Apple co-founder Steve Jobs, who passed away at 56 this week after a valiant battle against cancer.

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Riley Keough, Elvis Presley's granddaughter, was snapped on the set of Magic Mike.

Lindsay Lohan attends the DW by Kanye West Show.

Amanda Knox cries as her murder conviction is overturned by an Italian court; she was freed from prison, and returned to the U.S.

Eighties legend Axl Rose, looking worse for wear, arrives at the airport in Rio De Janeiro, Brazil.

Courtney Stodden, 17, and Doug Hutchinson, 51, are happy as can be while spending the day at a resort north of Los Angeles.

Funnyman Seth Rogen marries Lauren Miller in an outdoor ceremony in Sonoma, Calif.

Kendall Jenner is all grown up in her latest modeling photo shoot, posing for the White Sands Spring/Summer 2012 collection while in New York for fashion week.

Rachel Uchitel marries her boyfriend, Matt Hahn, in a secret ceremony in Las Vegas.