Wolfgang Fraedrich teaches geology, geography and media technology education at a Hamburg secondary school. He is the author of numerous textbooks and non-fiction books and has been co-editor of the journal geographie heute for several decades, with well over 200 publications in the specialist journal sector alone. Through numerous excursions with adults and various research trips with school groups as part of the supervision at Jugend forscht, he has become acquainted with the most diverse corners of the earth. In addition to volcanism and the formation of mountain landscapes, glacial regions play a particularly important role.