Bill Mollison

Bill Mollison (1928–2016) was an Australian researcher, author, and educator who co-developed permaculture with David Holmgren and helped spread it through teaching and writing.

David Holmgren: An Australian environmental designer who co-developed permaculture with Bill Mollison. Holmgren was Mollison’s co-author of the foundational permaculture book and a continuing interpreter of its principles.
Permaculture: A design approach that draws on ecological relationships to create sustainable human settlements and food systems. Mollison co-developed and named the movement that became the central focus of his career.
Ecology: The study of interactions among organisms and between organisms and their environments. Mollison used ecological relationships as models for designing productive human systems.
Permaculture design: The planning of human environments using ecological patterns, resource flows, and relationships among elements. Mollison developed design methods that translate permaculture principles into site plans.
Permaculture movement: An international network of practitioners and educators applying permaculture principles to land use and communities. Mollison’s books and courses helped turn a design approach into a worldwide movement.
J. Russell Smith: An American geographer whose 1929 book Tree Crops advocated perennial agriculture to reduce erosion and sustain food production. Smith’s case for tree-based agriculture anticipated themes Mollison developed in permaculture.
Permaculture One: A 1978 book by Bill Mollison and David Holmgren that introduced permaculture as an integrated design system. This collaboration set out the framework Mollison and Holmgren had been developing.
Systems thinking: An approach to understanding how a system’s parts interact and produce effects as a whole. Permaculture treats farms and settlements as interacting systems rather than isolated techniques.
Food forest: A perennial planting designed to mimic a forest’s structure while producing food and other useful yields. Food forests exemplify the layered, diverse cultivation systems Mollison promoted.
Regenerative agriculture: Agricultural practices intended to restore soil health, biodiversity, and ecosystem function. Mollison’s influence is often linked to contemporary approaches that prioritize ecological restoration.

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Masanobu FukuokaRelated: Mollison helped popularize a neighboring ecological approach that is often compared with Fukuoka’s.