Dr. Ralf Christofori is a journalist based in Saarbruck, Germany. Starting his career in 1997 he has widely published in arts & culture as well as science & industry. He has worked for Frankfurter Allgemeine Zeitung, Der Tagesspiegel (Berlin), and several international magazines. Since 2010 he is chief editor of W3+, a magazine on optics, electronics and mechanics published by the Wetzlar Network.
April 26th 2013 is the 170th anniversary of the birth of Ernst Leitz I (1843–1920), who turned a small optical workshop in Wetzlar into an optics company of world renown. At the beginning of the 20th…