Peter Wohlleben spent over twenty years working for the forestry commission in before leaving to put his ideas of ecology into practice. He now runs an environmentally friendly woodland in Germany, where he is working for the return of primeval forests. He is the author of numerous books about trees
Mike Grady is an actor and published audiobook narrator. He is probably best known for his comedy roles in films and TV. In films he can be seen in Citizen Smith (1977), Last of the Summer Wine (1973) and The Return of the Pink Panther (1975), and his voice can be heard in popular children’s series Thomas the Tank Engine & Friends as Sir Robert Norramby.