Workshop, 10-11 July 2018 Department III, Artefacts, Action and Knowledge | Max Planck Institute for the History of Science Boltzmannstr. 22, 14195, Berlin, Germany Conveners: Dagmar Schäfer (MPIWG, Germany), Annapurna Mamidipudi (Maastricht University, the Netherlands and MPIWG, Germany), and BuYun Chen (Swarthmore College, USA and MPIWG, Germany) This interdisciplinary workshop interrogates the peripheral, intermediary, and ephemeral substances that have been critical to the historical formation of chemical technologies and the making of stable products across the Global South, broadly construed. With this workshop, we aim to begin a conversation among scholars who work across disciplines and regions in the Global South on: 1) how to investigate materials that are no longer present in surviving artifacts; and 2) how to recover the connected histories of knowledge and technology that underpinned their making. For example, how did the availability of mordants – ...