John Blackwood

John Blackwood worked in mechanical engineering design for nearly 30 years and was inspired by Lawrence Edwards' work with plant geometry. He became a teacher at the Glenaeon Rudolf Steiner School in Sydney, Australia. There he designed a maths course for Classes 11 and 12 which was accepted by the school board of New South Wales. He lives in Sydney. He is the author of Mathematics in Nature, Space and Time (Floris Books, 2011).