an Entity references as follows:
Motiejus or Matas Šumauskas (2 October 1905 in Kaunas – 28 May 1982 in Vilnius) was a Lithuanian communist activist and Soviet politician. He served as the chairman of the Council of Ministers (equivalent to Prime Minister) from 1956 to 1963 and chairman of the presidium of the Supreme Soviet of the Lithuanian SSR (de jure head of state) from 1967 to 1975.