Alan Richardson is Professor of Philosophy at University of British Columbia. He is the author of Carnap's Construction of the World (Cambridge, 1998) and is on the editorial board of The Collected Works of Rudolf Carnap (2019). Adam Tamas Tuboly is Leader of the MTA Lendulet Values and Science Research Group, Research Centre for the Humanities in Budapest and research fellow at the ITD, Medical School, University of Pécs. He is co-author (with Christopher Burke) of Otto Neurath in Britain (Cambridge University Press, forthcoming).