Patrick Stewart, renowned British actor, has died at his home in Los Angeles at the age of 86. He was known for his iconic roles as Jean-Luc Picard in "Star Trek" and Professor X in "X-Men". His death comes after a battle with Alzheimer's disease and Lewy body dementia. Stewart, who made a mark in theater and film, leaves behind an unforgettable legacy and many tributes from his peers.