History/Theory is a collaboration between the Institute for the History and Theory of Architecture (gta), ETH Zurich and e-flux Architecture.
© 2017 e-flux and the author
Editorial
Nick Axel, Maarten Delbeke, Ita Heinze-Greenberg, Nikolaus Hirsch, Laurent Stalder and Anton Vidokle
Gustav Gull, reconstruction of the ETH main building hall, 1915, originally designed by Gottfried Semper, 1864. Image courtesy of the gta archives / ETH Zürich, Gottfried Semper holdings.