Synthesizer Studio Bonn

Started out as Matten & Wiechers a workshop/manufacturer of custom synthesizers, reportedly first shop worldwide for synthesizers only - opened on September 3, 1971 in the basement below a pub on Kölnstrasse 47, Bonn. When they moved to Franzstraße 29 in Bonn later in the 70's, the shop/retail part of the business was named Synthesizer Studio Bonn.
Closed in 1999.
Persons involved in the business were (in order of appearance):
Dirk Matten
Hans-Joachim "Hajo" Wiechers
Norbert Reiß
Dieter Roggendorf
Wieland Samolak
Jürgen Krämer†
Gerhard Behles
Achim Lenzgen
Karl von der Linden†
Hans Brachwitz
Stefan Beier
Winfried Schuld
Stefan Lindlahr
Anselm Rößler
Dorothée Hahne

Photography for adverts:
Dieter Stork
Cornelia Danetzky
Klaus Weidner

Image editing and graphics for ads:
Rozsa Mediendienste, Köln
Sandor Rozsa
Bernd Schmitz
Detlef Rymus
Alexandra Hohn
Elke Wolter

Phone operator:
Herbert Neumann