The work of German Samper, colombian architect. It can be said he is clearly in the modern tradition and attained, with his partners Rafael Esguerra y Alvaro Saenz, high levels of technical and construction skills. He can be equally regarded as a urban designer, a research and analytical. This book spans the time from his years in Le Corbusiers studio in the early fifties up to the present. This volume introduces some relevant aspects of his architectural work. It is a book spoken by many voices. A group of architects researched specific topics and expressed their views. The essays alternate with presentations of relevant projects, in a sequence that admits a non-linear rhythm. The book can be read in any order, depending on the topic of interest to the reader.