Initially, the project for the church Temple Saint-Jean in La Chaux-de-Fonds was supposed to go to Le Corbusier, but since he was at the time busy with Chandigarh in India, he refused and the project went to another architect from La Chaux-de-Fonds, André Gaillard. The church, with its spiral shape, has a very expressive, plastic architectural style. Building it became possible through the collaboration with Daniel Grataloup, who owned a patent on sprayed concrete technology. It was completed in 1972.