Here, persons and institutions are mentioned who either conduct their own harmonics investigations and exchange their results with the Harmonik Zentrum Deutschland.

Or they are interested in our results and therefore support our work.

Currently exist the following cooperations:

WILLIBALD LIMBRUNNER 
Willibald Limbrunner has been contributing to the harmonics activities in in Nuremberg since the beginning over 15 years ago. He has repeatedly supported us with many-sided contributions. Now he has forum and blog under the name

CONSCIOUSNESS
(There: Article on Harmonics
Harmonics Network)
(in German)

In addition to many other topics, various aspects of harmonics are also discussed. Harmonic article lists the harmonics articles in a clear way. Harmonic Network is a knowledge-based graphic on German harmonics pages.

His new Harmonik WordPress Blog (in German only) is an attempt to combine blog and traditional website and gain experience with WordPress. Some of the forum contributions to harmonics and philosophy have been deposited there.

HÖRAKUSTIK REISER in Nürnberg.
Mrs. Eva Reiser is in constant contact with us about our work on understanding the formation and structure of sounds. This applies in particular to the influence of overtones and undertones on the tonal character of tones.

KEPLERSTERN VERLAG in Hamburg,
directed by Hartmut Warm.
For more information about events by Hartmut Warm, see HERE.

JOHANNES KOTSCHY in Austria,
one of the very few living composers who seriously deals with pure-sounding music based on harmonic natural tones.

THE COLOR EXPERT SUSANNE WIED in Dusseldorf.
This cooperation is especially important because classical harmonics still has difficulties in integrating the color world into its way of thinking and workin

MONOCHORDIA,
Music – Instrument – Seminars, directed by Mrs. Christina Lindl in Oy-Mittelberg in the Allgäu (Germany).

PETER-MICHAEL-RIEHM-INSTITUTE
at the Free University of Stuttgart, under the direction of Professor Dr. Holger Kern.

SYNTROPIA/SYNERGIA VERLAG  in Darmstatt,
under the direction of Alex Beckmann.

HOLGER ULLMANN, graphic artist  in Aschaffenburg.
Author of the Website TETRAKTYS, with his basic statement:
Number Theory + Geometry = Philosophy. This website is a treasure trove of geometric contexts and their relationships to harmonics, symbolism and philosophy.

These cooperations will be further expanded.