Bernhard Stopper, Master Piano Maker

Birth Year: 1961

1969: First Piano Lessons

1976 - 1980 Piano Lessons with Else Herold

1980 - 1983 Apprentice Piano Maker (Klavier-Vögele)

1985 -1987 Piano Technician (Magne, Paris)

Since 1988: Piano Tuner and Technician in Rottenburg an Tübingen

1988: Publication Euro Piano 3/1988 of the discovery of the 12-twelfths-19-octave-circle as the harmonic-series symmetric 12-tone circle and “Stopperstimmung™, equal temperament based on pure duodecimes¹”

1988: Patent pending of a musical instrument based on Stopperstimmung tuning.

1989: Introduction of Mensurix string scale software

1990: Master Piano Maker in Ludwigsburg

1991: Symposium “Bozner Treffen: Scalen und Harmonien” Bozen, Italy

2003: Introduction of MiniMens hammer/string simulator

2004: Introduction of Mensurix 5 string scale software including dynamic simulation of hammer/string interaction

2004: discovery of beat symmetry in Stopperstimmung™.

2006: Introduction of OnlyPure tuning software for Windows and MacOS X.

2008 Introduction of TUNIC OnlyPure tuning software for PocketPC

2008 Tunic App for Guitar, Cello, Violin for iPhone

Honors

First prize at german tuning contest for piano maker apprentices in 1982

¹(octave + fifth)