James McElvenny (now a Humboldt Fellow at the University of Potsdam) has written a dissertation, Meaning in the Age of Modernism: C.K. Ogden and his Contemporaries — not in history but in English, if you can believe it!  There is a chapter on Ogden’s interactions with Carnap and Neurath (Chapter 4: Ogden and the Vienna Circle).  McElvenny has published some papers derived from it, which I haven’t looked at yet, but the dissertation itself is terrific.   Continue reading →