André Holenstein, Hubert Steinke, Martin Stuber (ed.), in collaboration with Philippe Rogger, Scholars in Action. The Practice of Knowledge and the Figure of the Savant in the 18th Century (2 vols), Leiden, Boston (Brill) 2013, 990 p., 67 ill. (History of Science and Medicine Library, 34/1-2), ISBN 978-90-04-24390-3, EUR 229,00.