Armand Antoine Agénor de Gramont, 12th Duke of Gramont was a French nobleman, scientist and industrialist. He was known by the courtesy title of Duke of Guiche until 1925, when he succeeded his father as Duc de Gramont.
- Occupation
- industrialist, physicist, painter, scientist
- Position held
- president of the French Academy of Sciences, president
- Citizenship
- France
- Born
- September 29, 1879
- Died
- August 2, 1962