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Felix Dzerzhinsky was the first leader of the Cheka, or the first Soviet state security organization.^[1] He was a Polish aristocrat-turned-Communist.

Reference

↑ Laver, John; Russell, David; Waller, Sally; Assessment and Qualifications Alliance, eds. (2008). The impact of Stalin's leadership in the USSR, 1924 - 1941. AQA History - AS: Unit 2 / series ed.: Sally Waller (Level: secondary AS], [1. ed. ed.). Cheltenham: Nelson Thornes. ISBN 978-0-7487-8267-3. {{cite book}}: |edition= has extra text (help)

[1] Laver, John; Russell, David; Waller, Sally; Assessment and Qualifications Alliance, eds. (2008). The impact of Stalin's leadership in the USSR, 1924 - 1941. AQA History - AS: Unit 2 / series ed.: Sally Waller (Level: secondary AS], [1. ed. ed.). Cheltenham: Nelson Thornes. ISBN 978-0-7487-8267-3. {{cite book}}: |edition= has extra text (help)

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