[1] Novomeský was a member of the DAV group; after The Second World War he was commissioner of education and culture of Socialist Czechoslovakia.
Novomeský started to work as a teacher while at the same time enrolling as an external student of the Faculty of Arts at the Comenius University where he became involved in literary and political activities.
Umelecká beseda), which together with the DAV organized book-reading parties with poetry of important Slovak writers like Lukáč, Smrek, Novomeský and Okáli.
In 1936, the Spanish Civil War broke out against general Franco's insurgency, in which Novomeský became involved in Czechoslovakia by organizing International Brigades (he also founded the Club of Friends of Spain).
In August 1943, together with his younger friend Gustav Husák, he became a member of the 5th illegal leadership of the Communist Party of Slovakia, led by Karol Šmidke .
He was also a co-founder and vice-chairman of the insurgent Slovak National Council in 1943 which later became the highest legislative and executive body in socialist Slovakia.
While Gustáv Husák was not completely broken in custody and tried to oppose the investigators, Novomeský and other accusers cooperated with the security forces and confessed to all the fabricated points.
[8] Zolo Mikeš wrote (Aktuality.sk) Novomeský's statements were used in the Slánsky trial against his friend Vladimir Clementis, thus contributing to his death sentence.
After the Warsaw Pact invasion on 21 August 1968, he again became a member of the Central Committee of the Communist Party of Czechoslovakia, and in the same year he also chaired the Matica slovenská.