 Settled in Florence, he led an International Red Cross Committee, and founded an exile section of the Romanian Red Cross.In 1943, after the Allied invasion of Italy, he mediated between the two sides to preserve the city's art and architecture from destruction, and in return was awarded the title of honorary citizen of Florence.That year, he published in Geneva the book "Anarchie, dictature ou l'organisation internationale" ("Anarchy, Dictatorship or International Organization").