Born in to the family of a train conductor, Skrzeszewski was active in socialist circles from his teenage years.

There he maintained contacts with the French Communist Party, but wasn't involved in political activity.

In the second half of June 1941 he was summoned to Kiev in order to obtain - as a former member of the KPP, membership rights in the All-Union Communist Party (b).

at the congress, he delivered a lecture on cultural and educational matters and was elected to the main board of the union.

[3] In 1953 he was a candidate put forward by the USSR for the post of UN Secretary General after Trygve Lie resigned.

[4] In November 1949 he became a member of the National Committee for the Celebration of the 70th anniversary of the birth of Joseph Stalin.