British artist Kurt Jackson's practice involves both plein air and studio work and embraces an extensive range of materials and techniques, including mixed media, large canvases, printmaking and sculpture. He has been Artist-in-Residence on the Greenpeace ship Esperanza, at the Eden Project, and at Glastonbury Festival since 1999, and he is an Honorary Fellow of St Peter's College, Oxford University, while also holding an Honorary Doctorate from Exeter University for his services to the arts. Robert Macfarlane is an award-winning travel writer. He is the author of Mountains of the Mind: A History of a Fascination (2003) The Wild Places (2007) and The Old Ways: A Journey on Foot (2012). Tim Smit is Director of the Lost Gardens of Heligan and Co-founder of the Eden Project.