CAPON, GEORGII (187o-1906), Russian priest and revo lutionary known as "Father Gapon," of Jewish origin, but became an orthodox priest. At one time he was an agent of the secret police, and was associated with the notorious Zubatov in Moscow. He then became Zubatov's agent in St. Petersburg (Leningrad) to organize a workers' movement under police supervision ; the movement soon got beyond the power of the police and came under socialist leaders. Gapon led the unarmed crowd to present a petition to the tsar at the Winter palace (Jan. 22), when the soldiers fired on the crowd. Gapon vanished, but he was tracked by the revolutionaries and murdered, at Terioki, Finland, on April II, 1906.