Toby Hemenway was an American author and educator who has written extensively on permaculture and ecological issues. He was an adjunct professor at Portland State University, Scholar-in-Residence at Pacific University, and a field director at the Permaculture Institute (USA).
Books in order of publication:
Gaia’s Garden: A Guide to Home-scale Permaculture – 2001
The Permaculture City: Regenerative Design for Urban, Suburban, and Town Resilience – 2015