Final Days
Parsons was eventually cleared but later accused of espionage for taking documents from fellow madman Howard Hughes and was investigated by the FBI. Parsons was found not guilty, but it was the end of his science career as he knew it. He was once a leading figure in his field, but Parsons spent his last days working for the Special Effects Corp., making small explosives for movies.

Source: Vimeo
He did that up until June 17th, 1952. Many speculate that a chemical slipped out of his hand, and that’s what sparked the explosion that took the mad scientist’s life. Pendle referred to his death as a “tragedy,” but mentioned how “it’s strangely fitting that the very thing which he loved killed him.”