Beblo's name is especially connected with the Musau-Schule (1904–1906), the Thomasschule (1905–1907), the Neufeldschule (1907–1909, today the Collège Louise Weiss), the Haushaltsschule beside the Magdalenenkirche (1909–1910), the Magdalenenkirche, the Grande Percée (Neue Straße) and the swimming pool and thermal baths Bains Municipaux (1905–1910).
See CH Lipsius in the Osterprogramm of the Thomasschule (1861); R Hoche in Allgemeine Deutsche Biographie, vol.
Keiser was born in Teuchern (in present-day Saxony-Anhalt), son of the organist and teacher Gottfried Keiser (born about 1650), and educated by other organists in the town and then from age eleven at the Thomasschule in Leipzig, where his teachers included Johann Schelle and Johann Kuhnau, direct predecessors of Johann Sebastian Bach.
Künzel was a student at the Thomasschule in Leipzig, Germany, and Schüler der Leipziger Thomasschule and was a member of the Thomanerchor in 1973.