Deniz Gezmiş was a Turkish Marxist-Leninist revolutionary

Revolutionary

A revolutionary is a person who either actively participates in, or advocates revolution. Also, when used as an adjective, the term revolutionary refers to something that has a major, sudden impact on society or on some aspect of human endeavor.-Definition:...

 and political activist in the Turkey in the late 1960s. He was one of the founding members of the People's Liberation Army of Turkey

People's Liberation Army of Turkey

People's Liberation Army of Turkey was an armed underground far-left movement in Turkey. It was founded at the Middle East Technical University in Ankara, Turkey in 1970 by Hüseyin İnan, Yusuf Aslan, Sinan Cemgil, Deniz Gezmiş, Taylan Özgur and Cihan Alptekin....

 (THKO).

He was born to an inspector of primary education and a syndicalist Cemil Gezmiş and a primary school teacher Mukaddes Gezmiş. He was educated in various Turkish cities. He spent most of his childhood in Sivas, where his father grew up.