Ted Kaczynski - educated mathematics conscious professor nature-lover terrorist?

He was a mathematics prodigy, former mathematics professor.

He witnessed the destruction of the wilderness surrounding his cabin and concluded that living in nature was becoming impossible.

He resolved to fight industrialization and its destruction of nature through terrorism.

"Industrial Society and Its Future," is a social critique he wrote;
rejecting leftism,
opposing industrialization,
and advocating a nature-centered form of anarchism...
https://en.wikipedia.org/wiki/Unabomber_Manifesto

in which he argued that his bombings were extreme but necessary in attracting attention to the erosion of human freedom and dignity by modern technologies that require mass organization.

Influenced by....
His writing echoed contemporary critics of technology and industrialization such as John Zerzan, Jacques Ellul, Rachel Carson, Lewis Mumford, and E. F. Schumacher

Kaczynski was in a remote cabin without electricity or running water near Lincoln, Montana, where he lived as a recluse while learning survival skills to become self-sufficient.