Pol Pot (born Saloth Sâr; 19 May 1925 – 15 April 1998) was a Cambodian communist revolutionary, politician and dictator who ruled Cambodia as Prime Minister of Democratic Kampuchea between 1976 and 1979. Ideologically a Maoist and a Khmer ethnonationalist, he was a leading member of Cambodia’s communist movement the Khmer Rouge, from 1963 to 1997. He served as General Secretary of the Communist Party of Kampuchea from 1963 to 1981, his rule converted Cambodia into a one-party communist state. He perpetrated the Cambodian genocide of which from 1975 to 1979 between 1.
https://en.wikipedia.org/wiki/Pol_Pot