Born in 1941, Ted Kaczynski was considered a child prodigy and, later, a brilliant mathematician. He received a Bachelor's degree from Harvard and a Ph.D. in theoretical mathematics from the University of Michigan (1967). After two years with the faculty at the University of California-Berkeley, Ted moved to a primitive one-room cabin in Montana. In 1978, with no discernible motive, he began sending bombs to what appeared to be unrelated people at universities and in the airline industry, killing three and severely injuring several others. Without knowing his identity, the FBI and the press dubbed him the Unabomber. In 1995, at Ted's request, a 35,000-word manifesto was published jointly by the New York Times and Washington Post. This ultimately led to the Unabomber being identified as Ted Kaczynski. Why did an accomplished mathematician leave a promising academic career to become a hermit and a notorious serial bomber? What does Ted Kaczynski's case tell us about connection between mental health and ideological extremism? While exploring these questions, we will discuss Kaczynski's anti-technology Luddite philosophy, his selection of targets, and how the FBI ultimately identified him.