David Holmgren (born 1955) is an Australian environmental designer, ecological educator and writer. He is best known as one of the co-originators of the permaculture concept with Bill Mollison. Early life. Holmgren was born in Fremantle, Western Australia in February 1955, the second of three children. His parents Venie and Jack Holmgren were bookshop proprietors, activists committed to social justice, and former members of the communist party who raised their children to question authority and stand up for their beliefs.
https://en.wikipedia.org/wiki/David_Holmgren