Ted Rose & Jon Clatworthy reply: We warmly welcome Albert Ludford's addition to knowledge of many of the ISTD geologists listed and illustrated in our paper, for these personal details add context helpful to assessment of the pioneering achievements of the Geological Section ISTD. Moreover, we can now extend knowledge even further in four respects. First, we record that yet another geologist contributed to work that laid the foundation for ISTD: William Elgin Swinton (1900–1994). According to Geological Society of London records, ‘Bill’ Swinton, a ‘first class’ graduate of the University of Glasgow, was elected to fellowship of the Society in 1925 whilst employed as a curator at the Natural History Museum, London (then known as the British Museum, Natural History). However, in 1938 as the Second World War loomed, he was commissioned into the Royal Naval Volunteer Reserve (the RNVR) (McGowan & McConnell 2004), was promoted to the rank of Lieutenant (Special Branch) on 1 January 1940 according to the contemporary Navy List , and served during the war in Naval Intelligence, ‘his closest friend there being the author Ian Fleming’ (Cocks 1995, p. 21). Fleming, as a Lieutenant-Commander assistant to the Director of Naval Intelligence, Rear-Admiral (later Vice-Admiral) J. H. Godfrey, helped to found Naval Intelligence Division 5: teams of geographers at Oxford and Cambridge that compiled handbooks for service use, in total 58 volumes covering 31 countries or country groups (see reports and minutes bound with Bassett & Wells 1946). More famously, Fleming later created the fictional hero James Bond. ISTD was initially constituted (on 27 May 1940) as a companion organization, Naval Intelligence Division 6, after the German invasion …