The interview took place the 18th of June 2006, within the research program of the cours of History at the Polytechnic University of Barcelona, directed by the professor Fernando Alvarez Prozorovich. After a deep research into the project of Frankfurt-Römerberg, Jordi Viñals and Xavier Bosch travelled to Berlin to interview Manfred Schiedhelm, direct collaborator of Candilis-Josic-Woods in this project.
Jordi Viñals Terrés, born in Barcelona in 1985, received his degree in architecture from the Polytechnic University of Barcelona, within the specialization of urbanism. His exchange program at the Technische Universität Berlin, offered him the chance to achieve depth in the transformation of existing urban fabric and the reconstruction of urban territories. This topic leads him to an intensive research into the Chinese urban development in the International Forum of Urbanism 2010, held in Beijing and organised by the Delft University of Technology. After his professional experience in studios of Barcelona such as EMBT, he is now professionally based in Paris working in the Atelier Jean Nouvel.
Xavier Bosch Canals, born in Barcelona in 1985, received his degree in architecture and civil engineering from the Polytechnic University of Barcelona, within the specialization of construction and building-work management. He is professionally based in Barcelona where he has worked in the construction company Contratas y Obras and, more recently, in the firm Oca Infra as project manager.