Monica Guggisberg (Berne, 1955 - ), verrierPhilip Baldwin (New York, 1947 - ), verrierBaldwin & Guggisberg (Nonfoux, 1982 - ), verrier Plat, Nonfoux, 1983
Monica Guggisberg (Berne, 1955 - ), verrierPhilip Baldwin (New York, 1947 - ), verrierBaldwin & Guggisberg (Nonfoux, 1982 - ), verrier Plat, Nonfoux, 1985