The idea of wilderness : from paleolithic to neolithic culture -- Ancient Mediterranean ideas of humankind and nature : the passage from myth to history -- The alchemy of modernism : the transmutation of wilderness into nature -- Wild nature : critical responses to modernism -- Henry David Thoreau : philosopher of the wilderness -- John Muir : wilderness sage -- Aldo Leopold and the age of ecology -- The idea of wilderness in the poetry of Robinson Jeffers and Gary Snyder -- Contemporary wilderness philosophy : from resourcism to deep ecology -- Cosmos and wilderness : a postmodern wilderness philosophy