The archetype of the invisible architects of the invisible architecture

Buckminster Fuller and Lönberg-Holm´s ongoing friendship and mutual development are considered in the postscript. Fuller was planning on writing a book about his colleague with the title: Knud Lönberg-Holm: Archetype of the Invisible architect of Invisible Architecture. This part analyzes the different signification of invisibility in relation to Lönberg-Holm´s ideas and career.