Alcide Amedeo Francesco De Gasperi was an Italian politician who founded the Christian Democracy party and served as prime minister of Italy in eight successive coalition governments from 1945 to 1953.

Altiero Spinelli was an Italian communist politician, political theorist and European federalist, referred to as one of the founding fathers of the European Union. A communist and militant anti-fascist in his youth, Spinelli spent 10 years imprisoned by the Italian fascist regime. Having grown disillusioned with Stalinism, he broke with the Communist Party of Italy in 1937. Interned in Ventotene during World War II, he, along with fellow democratic socialists, drafted the manifesto For a Free and United Europe in 1941, considered a precursor of the European integration process.