Graham has given talks and lectures in various settings including Anglia Ruskin University, Keele University, Royston Museum, the Sedgwick Museum of Earth Sciences (Cambridge) and the University of Hertfordshire.
He has interviewed and hosted public Q&As with a variety of talented individuals including Brian Aldiss, Alison Balsom, Robin Belfield, Jo Browning-Wroe, Bruce Cockburn, Wendy Cope, Meera Syal and Tim Winton and, on one occasion, enjoyed judging Dalek Karaoke.