[1][2] His most famous novel, "Jezioro Bodeńskie" ("Lake Constance"), was written during World War II and published in 1946.

He made his debut in 1946 with the novel Jezioro Bodeńskie, which is an autobiographical inspiration (in 1939, Dygat was interned in a camp for foreigners on Lake Constance due to his French citizenship), and which is a kind of settling of accounts with pre-war Poland.

Another novel by Dygat was also filmed, the subject of which is the political transformation in post-war Poland - Pożegnania (Farewells, 1958, directed by Wojciech Jerzy Has), published in 1948.

He was a member of the Polish United Workers' Party,[4] from which he resigned in November 1957 in protest against the authorities' refusal to allow the publication of the monthly "Europa".

In January 1976, he was one of the signatories of Memorial 101, addressed to the Sejm Commission against planned changes to the constitution.