From the English Wikipedia page [1].
Ferenc Münnich (Hungarian pronunciation: [ˈfɛrɛnt͡s ˈmynːiç]; 18 November 1886, Seregélyes, Hungary – 29 November 1967, Budapest) was a Hungarian Communist politician who served as Chairman of the Council of Ministers of the People's Republic of Hungary from 1958 to 1961.
He served in the Austro-Hungarian Army in World War I, and fought in the Eastern front. He was captured in 1915, then deported to a lager in Tomsk, Siberia. In 1918, he was freed and returned to Hungary. He participated in the government of the 1919 Hungarian Soviet Republic.
He fought in the Spanish Civil War and was commissar of Rakosi Battalion of XIII International Brigade (to which László Rajk also belonged).
He joined the Hungarian Communist Party in October 1945. After World War II, he returned from exile and became a chief police superintendent of Budapest. In 1956 Hungarian Revolution, first he was officially part of the Imre Nagy government, serving as interior minister from 27 to 31 October, then fled to the Soviet Union. He returned with János Kadar and served as a minister in his "Revolutionary Worker-Peasant Government". On 4 November 1956 he was restored to his position as interior minister and also became defence minister, holding these positions until 1 March 1957. A couple of months later, he organized the Worker's Militia. In 1965 and 1967, he was decorated with the Lenin award of the Soviet Union.
The Hungarian Wikipedia page is [2].