Astronomy
member of the Astronomical
Society Baden and member of the executive board
Choral Singing
(i) Tenor in the mixed choir of the Vindonissa
Singers in Windisch and cash editor of the choir
(ii) Tenor of the Ref. Church
Choir of Zurzach and member of the executive board
Philosophy
study of philosophy
Why am I here? How should I live? Does God exist?
History
member of the Regional Historical Society
of Zurzach
Sport
20 km (13 miles) per week in the forest (mens sana in corpore sano)