PARIS - From next week, one of France’s most iconic institutions — the smoky cafe — will be but a hazy memory.

The extension of France’s smoking ban to bars, discotheques, restaurants, hotels, casinos and cafes on Jan. 1 marks a momentous cultural shift in a country where thinkers like Jean-Paul Sartre and Simone de Beauvoir once held court while clutching cigarettes in Left Bank cafes.