Christian Rätsch (born 1957) is Germany's premier expert on ethnopharmacology and psychoactive plants and animals.
Rätsch is an anthropologist and author. Rätsch conducted field research for three years whilst living with the Lacandón Indians in Chiapas,
Mexico and completed his doctorate on their incantations and spells. Rätsch resides in Hamburg,
Germany with his wife Claudia Müller-Ebeling. Rätsch is the founder and co-editor of The Yearbook of Ethnomedicine and the Study of Consciousness.
Hans Cousto: Musica Concepts and Tuning Technique (Tuning Forks). Born in 1978 Hans Cousto, a Swiss mathematician and musicologist discovered the natural law of the "Cosmic Octave" as the link between different kinds of perodically occurring natural phenomena, such as the orbit of the planets, the weather, colors and musical rhythms and tones. Tuning Forks
Today the Cosmic Octave is the basis for many holistic medical applications. It is origin to natural planetary tones, which directly correlate to the earth's natural life frequencies. These are utilized, for instance, in tone acupuncture using planetary tuning forks.