Reto Geiser   Many years ago, when Carola Giedion-Welcker and Sigfried Giedion’s son Andres welcomed me to the family’s home in Zurich, he shared a vivid picture of the days when his parents held a weekly jour-fixe in this neoclassical villa packed with books and

Almut Grunewald   Sigfried Giedion and Carola Giedion-Welcker in Dialogue