About Lothar Rădăceanu
Lothar or Lotar Rădăceanu was a Romanian journalist and linguist, best known as a socialist and communist politician. The party, which remained in the National Democratic Front created around the PCR, ran on a single platform with the latter in the November 1946 general election (carried by the bloc through widespread electoral fraud). After several clashes inside the party, Titel Petrescu left to form an Independent Social Democratic Party, while Rădăceanu and Voitec became leaders of a PSDR that had grown to 753,000 members by July 1947.
Biography source: Wikipedia. The profile adds birthday-specific historical context from the Celebs Birthday Today editorial database.