Opening lecture of the "International Symposium - Sérgio Ferro Archive and Production Studies: research dialogues," promoted by the research group Translating Ferro/Transforming knowledge in Architecture, Design and work for a new field of Production Studies [TF/TK], a collaborative project Brazil (IAU-USP) - United Kingdom (Newcastle University), funded by AHRC (UK) and FAPESP. In-person (FAU-USP Auditorium) with Sérgio's online participation, simultaneously transmitted by the YouTube channel.