Roland Wengenmayr is science journalist and editor of the journal “Physik in unserer Zeit”. He studied physics in Darmstadt, with a temporary stay at the European research laboratory CERN in Geneva. After the diploma he worked as an engineer in the chemical plant construction then he moved on to the publishing house Wiley-VCH, where he worked as commissioning editor for physics and physical chemistry. Today he writes for prominent newspapers on topics like e.g. renewable energy. Thomas Buhrke is science journalist, editor of the journal “Physik in unserer Zeit”, and author of several popular science books within the ranges of physics and astrophysics. He studied Physics at the universities of Gottingen and Heidelberg and attained there a doctorate at the Max-Planck Institute for Astronomy. Subsequently, he changed to the publishing house Wiley VCH, where he started as an editor of the journal “Physikalischen Blatter” (now: “Physik Journal”) and later changed to “Physik in unserer Zeit”.