the development of the right bank in Saint-Gervais (1933) 2. There was also the Villa Ruf built in 1929 in Grand-Saconnex, for which the architects had drawn up preliminary sketches and plans. The design for the Villa Ruf was completed by Francis Quétant, a member of the GANG (New Architecture Group in Geneva); a Wanner employee, he was responsible for the studies and costings for the Clarté building. This group, created in 1931, brought together Frédéric Gampert, Alberto Sartoris, Marc Joseph Saugey, Jean-Henri Schürch, and René Schwertz, along with two major actors in the construction of Clarté, Boris Nazarieff and Quétant. The GANG, impressed by the 1929 International Modern Architecture Congress (CIAM) 3 in Frankfurt, organized an exhibition entitled “New Frankfurt” in April 1931 at the School of Industrial Arts of Geneva on the theme of “minimum housing”, and invited Ernst May, social housing architect and designer.
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1 Disarmament Pavilion by the architect Adolphe Guyonnet and the engineer Louis Perrin, at the completion of works in 1932. In the background, the National hotel (Palais Wilson). 2 Geneva, rue Saint-Laurent, Clarté building (metallic structure), south side, 1932. Assembly of the welded-in-place metal framework, Solomite, etc., commencing the realisation of habitation units from top to bottom, method proposed by Edmond Wanner, then abandoned after an accident on site. Crane on rails by Wanner & Company. 3 Villa Ruf under construction at 12, chemin des Manons, Grand-Saconnex (Geneva), in May 1929; constructed by Francis Quétant, following the plans of Le Corbusier, at the instigation of Edmond Wanner. Metallic Structure by the Sécheron ateliers, prior to placing walls made of Solomite. 4 Clarté building, Geneva. View of the north facade showing the advertisement of an exhibition of modern buildings, 4 June 1932.
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