Semyon Ter-Petrosyan, known under the party nickname Kamo (May 15 (27), 1882, Gori - July 14, 1922, Tiflis) - a professional revolutionary, one of the organizers of underground printing houses, transport of weapons and literature, monetary expropriations. Repeatedly escaped and organized escapes from prison. Once in Berlin and saving his life, he skillfully feigned madness and insensitivity to pain, which puzzled the best doctors in Europe at that time and aroused great support from many socialist newspapers, who called him the "hero of the revolution," as well as Karl Liebknecht personally.