Matthew Sweet is joined by guests including Dr Jack Symes, philosopher at Durham University; Professor Lyndsey Stonebridge, Interdisciplinary Chair of Humanities & Human Rights at the University of Birmingham; novelist Ruth Ware; Dr Oliver Scott Curry, Chief Science Officer at Kindness.org and Research Affiliate in the Anthropology Department at the University of Oxford; and campaigner Zrinka Bralo, Director of Migrants Organize.

Topics include the classical philosophical problem of evil, the psychology of evil, Hannah Arendt's concept of the banality of evil, and the question of why the Devil gets the best lines in literature. Plus, we look at t6he work and legacy of social psychologist Philip Zimbardo, who devised the controversial Stanford Prison Experiment in 1971, and who died in October 2024.

Producer: Luke Mulhall