Leonid Kannegisser
Leonid Joakimovich Kannegisser (Russian: Леони́д Иоаки́мович (Аки́мович) Кáннегисер, romanized: Leonid Ioakimovich (Akimovich) Kannegiser; March 1896 – October 1918) was a Russian poet and military cadet, known for assassinating Moisei Uritsky, chief of the Cheka in Petrograd, on 17 August 1918.