The “Henri Grandjean 1803 Valeurs & Patrimoines Association”, invited the Federal Parliament services to be linguistically fair. Indeed, some biographical indications useful to the highlighting of Henri Grandjean’s work, extracted from the “Historical Dictionary of Switzerland” are appearing only in German. Well-informed, the Swiss Watch Passport (by JSH), a bilingual watchmaking magazine has played the role of request amplifier. And has offered a factual article as well as downloads and links to the various documents and paragraphs mentioning his two presences at the National Council. Read the topic in French or in English.