Klaas van Berkel recently retired as Rudolf Agricola professor of history at the University of Groningen. In his research he focuses on cultural history and the history of science, especially the history of scientific institutions (academies, universities). In 2021 he published, with Guus Termeer, The University of Groningen in the World. A Concise History (Amsterdam: Pallas Publications). Ernst Homburg is professor of history of science and technology emeritus at Maastricht University. His research is mainly on the interaction between science and technology in industry and academia, from the nineteenth to the twenty-first century. His most recent book publications are: Hazardous Chemicals: Agents of Risk and Change, 1800–2000 (New York, Oxford: Berghahn, 2019), edited with Elisabeth Vaupel, and Een eeuw chemische technologie in Nederland (Delft: Stichting Hoogewerff-Fonds, 2021), with Ton van Helvoort.