Illuminated: James Hutton and The Restless Earth
James Hutton’s ideas about deep time are difficult to grasp: how do we begin to imagine spans of time so vast that even the age of human civilisation becomes insignificant? Illuminated: James Hutton and The Restless Earth takes an unusual approach to this challenge, combining geology, music, poetry and reflections on our relationship with the planet. In doing so, the BBC Radio 4 programme celebrates the 300th anniversary of Hutton’s birth, remembering the Scottish scientist widely regarded as the father of geology.
The story centres on Hutton’s famous visit to Siccar Point in 1788, where he and John Playfair observed the unconformity that helped demonstrate the immense age of Earth. Geologist Dr Angus Miller recreates the journey from the site itself, describing the rocks and geological history as he goes. Although this is an audio programme, his observations are sufficiently detailed to conjure up the landscape, while the sound of his breathing adds an almost intimate sense of being there with him on an expedition.
Miller’s documentary-style explanations are interspersed with singer-songwriter Karine Polwart’s specially composed music and poetry. The artistry is beautiful, and while the contrast with the more conventional geological narrative can feel unusual, this gives the production a distinctive character. At other points, Polwart’s voice is layered with readings from historical letters, creating an eerie, almost ghostly effect.
The story then stretches Hutton’s concept of deep time into the present and deep future. Writer and environmental humanities scholar Professor David Farrier considers the traces we are leaving behind for future geological records, and asks whether we can extend our imagination—and our empathy—enough to care about people living unimaginably far into the future. In doing so, Hutton’s revolutionary idea becomes a way of considering our responsibilities to those who come after us.
Artist Ilana Halperin adds another perspective through her concept of “geological intimacy”: the idea that geological and human timescales can intersect in personal ways. She describes sharing a birthday with Iceland’s Eldfell volcano and returning to it at significant milestones in her own life, offering a tangible way to think about geological time.
The result is an accessible introduction to Hutton’s radical ideas, suitable for students and anyone curious about the history of geology. The show covers a lot in just 28 minutes, perhaps inevitably leaving some ideas only lightly explored. But the unusual combination of science, storytelling and music makes it an engaging listen and an invitation to stretch our imaginations across the vastness of time.
Review by Hannah Bird
DETAILS
Illuminated, BBC Sounds
BBC Radio 4, 9 Aug 2026
www.bbc.co.uk/sounds/play/m00301wk
