Ted Kaczynski

Theodore John Kaczynski, also known as the Unabomber, was an American mathematician and domestic terrorist. He was a mathematics prodigy, but abandoned his academic career in 1969 to pursue a primitive lifestyle.

Before he was the Unabomber, Ted Kaczynski was a mind-control test subject https://www.washingtonpost.com/history/2023/06/11/unabomber-ted-kaczynski-harvard-experiment/