Francis LOETTERLE is an architect and planner with twenty years experience in projects of social benefit. HIS design springs from humanist and sustainable principles: social and. Spiritual. Political and economic AS well AS technical and ecological. HIS most recent book. "intention & design. The life and practice of an architect. " explains and illustrates these principles using HIS OWN work. Examples of HIS intention driven design MAY BE found on HIS WEBSITE: WWW. LOETTERLE. US. "I love squeezing every last drop of social benefit from woeful social benefit budgets. ".