NICK THOMAS trained as an electrical engineer in the Royal Air Force, serving as an engineering officer for sixteen years and, subsequently, worked in data communications for Nortel. He then became General Secretary of the Anthroposophical Society in Great Britain for 21 years. With Lawrence Edwards and John Wilkes he researched the practical application of projective geometry. His major research interest is the development and application of Steiner's discovery of negative space to building a bridge between natural and spiritual science. He lectures widely on this and other subjects. His new book Space and Counterspace is just published.