Robin Williams. The legendary actor had taken his own life in his home in California and the news of his tragic death devastated people all around the globe.
After his passing, the factors surrounding his death were widely discussed, with initial reports suggesting that the comedian had been struggling from depression.
But although Robin did battle with mental health issues during his lifetime, it was revealed months after his death that this was not the main contributing factor to his suicide.
The actor's wife, Susan Williams, has since spoken openly about the real reason behind Robin's death — a "little-known but deadly" brain disease.Robin Williams tragically lost his life to suicide in 2014.