During the Second World War and the Nazi occupation of France, Frank wrote for the collaborationist weekly Les Nouveaux Temps, but he was known as a critic of the collaborationist Vichy government's censorship policies. He also wrote for the French film magazine L'Écran français, a socialist-leaning magazine founded by the Resistance during the war, which continued after it.
During World War II and under Nazi occupation in France, Frank published articles in the collaborator weekly Les Nouveaux Temps, though he was known as a critic of the Vichy government's censorship policies. He also contributed to the French film magazine L'Écran français, a socialist-leaning publication established by the Resistance during the war that continued afterward.