A new retrospective interview with Ian Stewart. https://www.youtube.com/watch?app=desktop&v=xTJGeFDwzYQ&t=416s&fbclid=IwZXh0bgNhZW0CMTEAAR0fgsFBXQxNkjmeg6dpDbcI7N1rL3aROVbOv_Gx2X_tsTpiRCzS6TZmXAY_aem_ARYcQcXAB_DsTPVSCtidMPBeoFRp-Eb3x-vEFmqpGIAxqY9CRG058V41R7utHslwNQobCfgHFwOpkcndW31_R3uO