Sergey Nechayev

Sergey Gennadiyevich Nechayev, or Nyechayev (Russian: Сергей Геннадиевич Нечаев) (October 2, 1847 – November 21 or December 3, 1882) was a Russian revolutionary associated with the Nihilist movement and known for his single-minded pursuit of revolution by any means necessary, including terrorism. He was the author of the radical "Catechism of a Revolutionary".