Michael J Fox 
Hollywood actor Michael J Fox is popularly known for his role as Marty McFly in the 1985 film 'Back to the Future' and the subsequent films that make up the trilogy. However, he was diagnosed with Parkinson's Disease in 1991 but did not make it public till 1998, after which he started the Michael J. Fox Foundation for Parkinson's Research in 2000 to contribute to awareness and research about it

Muhammad Ali
Even world-renowned boxer Muhammad Ali, who was born as Cassius Clay, was diagnosed with Parkinson’s Disease in 1984. Incidentally, the diagnosis came three years after his retirement, according to parkinsons.org. While he raised awareness about the disorder, he also started the Muhammad Ali Parkinson Center in Phoenix, Arizona, in the USA

Neil Diamond 
In 2018, celebrated American singer-songwriter Neil Diamond announced that he would be retiring from touring because of his diagnosis of Parkinson’s Disease. It was after he cancelled the third leg of his 50th anniversary tour

Ozzy Osbourne 
Even English singer-songwriter Ozzy Osbourne has been diagnosed with Parkinson’s Disease, which has taken a toll on his health over the years. The 76-year-old popularly known as the lead singer of the band, Black Sabbath, made the revelation in 2020 to fans

Pope John Paul II
Even Pope John Paul II, who was born as Karol Jozef Wojtyla, and was the head of the Roman Catholic church from 1978 till his death in 2005, was diagnosed with Parkinson’s Disease in 2001 before the Vatican announced it in 2003