Theodore Kaczynski
Theodore John "Ted" Kaczynski ( , or ; Polish
Polish language
Polish is a language of the Lechitic subgroup of West Slavic languages, used throughout Poland and by Polish minorities in other countries...

: Kaczyński, pronounced kaˈt͡ʂɨȷ̃skʲi; born May 22, 1942), also known as the "Unabomber" (a portmanteau of university and airline bomber), is an American mathematician
A mathematician is a person whose primary area of study is the field of mathematics. Mathematicians are concerned with quantity, structure, space, and change....

, social critic
Social criticism
The term social criticism locates the reasons for malicious conditions of the society in flawed social structures. People adhering to a social critics aim at practical solutions by specific measures, often consensual reform but sometimes also by powerful revolution.- European roots :Religious...

, anarcho-primitivist
Anarcho-primitivism is an anarchist critique of the origins and progress of civilization. According to anarcho-primitivism, the shift from hunter-gatherer to agricultural subsistence gave rise to social stratification, coercion, and alienation...

, and Neo-Luddite
Neo-Luddism is a personal world view opposing any modern technology. Its name is based on the historical legacy of the British Luddites which were active between 1811 and 1816...

 who engaged in a mail bombing campaign that spanned nearly 20 years, killing three people and injuring 23 others.

Kaczynski was born in Chicago, Illinois, where, as an intellectual child prodigy
Child prodigy
A child prodigy is someone who, at an early age, masters one or more skills far beyond his or her level of maturity. One criterion for classifying prodigies is: a prodigy is a child, typically younger than 18 years old, who is performing at the level of a highly trained adult in a very demanding...

, he excelled academically from an early age.

But what first motivated me wasn’t anything I read. I just got mad seeing the machines ripping up the woods and so forth...

Interview with the Earth First! Journal, Administrative Maximum Facility Prison, Florence, Colorado, USA, June 1999.

The Industrial Revolution and its consequences have been a disaster for the human race.

"Introduction", item 1

The industrial-technological system may survive or it may break down. If it survives, it MAY eventually achieve a low level of physical and psychological suffering, but only after passing through a long and very painful period of adjustment and only at the cost of permanently reducing human beings and many other living organisms to engineered products and mere cogs in the social machine.

"Introduction", item 2

If the system breaks down the consequences will still be very painful. But the bigger the system grows the more disastrous the results of its breakdown will be, so if it is to break down it had best break down sooner rather than later.

"Introduction", item 3

Those who are most sensitive about "politically incorrect" terminology are not the average black ghetto-dweller, Asian immigrant, abused woman or disabled person, but a minority of activists, many of whom do not even belong to any "oppressed" group but come from privileged strata of society.

"Feelings of Inferiority", item 12

[W]e are not supposed to hate anyone, yet almost everyone hates somebody at some time or other, whether he admits it to himself or not.

"Oversocialization", item 25