British actor Patrick Stewart, best known for his roles in Star Trek and X-Men, has died at 86 following a battle with Alzheimer's disease and Lewy body dementia.

The actor died Wednesday in Los Angeles after "a brief and poignant journey" with Alzheimer's disease and Lewy body dementia, according to a statement posted to his X account.

Long-time friend Sir Ian McKellen called Stewart "the most respected and beloved actor of his generation", while William Shatner said he brought "grace, and a deep sense of humanity to everything he did".

Long-time friend Sir Ian McKellen said Stewart was "the most respected and beloved actor of his generation", while William Shatner says be brought "grace, and a deep sense of humanity to everything he did".

William Shatner has issued a statement paying tribute to his fellow Star Trek icon Patrick Stewart following the latter's death at the age of 86.

Patrick Stewart, the star of various ‘X-Men’ and ‘Star Trek’ projects, is dead at 86. He will be remembered for the gravitas he brought to both the highest of prestige and the most mainstream of hits.

The distinguished British actor of stage and screen passed away Wednesday (Oct. 28) in Los Angeles.

The distinguished British actor of stage and screen passed away Wednesday (Oct. 28) in Los Angeles.

Slashdot readers Cpt_Kirks, eklektic, sconeu, and Vrallis share the unfortunate news of Patrick Stewart's passing. Longtime spokesperson Kelly Bush Novak said Stewart died Wednesday at the age of 86 at his home in Los Angeles following "a brief and poignant journey with Alzheimer's disease and Lewy ...

Slashdot readers Cpt_Kirks, eklektic, sconeu, and Vrallis share the unfortunate news of Patrick Stewart's passing. Longtime spokesperson Kelly Bush Novak said Stewart died Wednesday at the age of 86 at his home in Los Angeles following "a brief and poignant journey with Alzheimer's disease and Lewy ...

Silver screen legend Patrick Stewart, who gained fans the world over for generations starring in iconic rolls from "Star Trek's" Captain Jean-Luc Picard and Professor Charles Xavier in the "X-Men" franchise, has died. He was 86. 

The British actor's long and celebrated career took him from Shakespearean stage performances to leading roles in the “Star Trek” and “X-Men” franchises.

William Shatneris mourning the death of his Star Trek costar Sir Patrick Stewart.

Ian McKellen has led tributes to Patrick Stewart following his death from Alzheimer's disease, calling him "the most respected and beloved actor of his generation".

Patrick Stewart, the Emmy and Tony-winning actor that played Picard in 'Star Trek' and Professor X in 'X-Men', is dead at 86.

Patrick Stewart, the Emmy and Tony-winning actor that played Picard in 'Star Trek' and Professor X in 'X-Men', is dead at 86.

Friends, colleagues, and collaborators have taken to social media to share their memories and tributes to the late, great Patrick Stewart.

Stewart may be best known as Captain Jean-Luc Picard from “Star Trek: The Next Generation,” but he spent much of his career onstage.

Star Trek's Captain Picard and X-Men's Professor X died at home in Los Angeles after Alzheimer's and Lewy body dementia, his Instagram said.

From one Enterprise captain to another, Star Trek: TOS star William Shatner honored TNG star and Generations co-star Sir Patrick Stewart.

The greatest piece of comic book movie casting ever was securing Patrick Stewart to play Charles Xavier across multiple X-Men films.

This one seriously hurts. Patrick Stewart has passed away at the age of 86, and I absolutely hate writing those words. I've been a huge fan of this man for a long time, and knowing he's gone breaks my heart. I was introduced to Stewart as a kid when I first started watching Star Trek: The Next

Marvel Studios wouldn't be where it is today without Patrick Stewart, so it's only fitting that it's paid its deepest respects to the actor following his death.

Patrick Stewart has died at 86, prompting tributes from colleagues and Marvel Studios.

On the final episode of 'Star Trek: Picard,' Patrick Stewart gave one final toast to his crew, and said goodbye to his most beloved character.

Ian McKellen shared a moving tribute to his longtime friend and collaborator Patrick Stewart after his death.

Patrick Stewart said months before his death that he'd never retire from acting. His final move role arrives in December with 'Avengers: Doomsday.'