Dr. rer. nat. Hugo Niggli, Treyvaux, Switzerland F.-A. POPP’S BIOPHOTON CENTRE The biophysicist Fritz-Albert Popp’s biophoton centre was set up in the mid 90s near the “museum island” of Hombroich on the former NATO rocket base after the Americans vacated the site following German reunification. The island of Hombroich is a garden paradise, a fantasy […]