ヘルマン・シェルヘン
In Braunschweig, Grotrian-Steinweg grew to a workforce of 550 by 1913, producing about 1,600 pianos annually. The Grotrian-Steinweg Orchestra was active in Leipzig under the baton of young conductor Hermann Scherchen. Grotrian-dedicated salesrooms were operating in Leipzig, Hanover, Königsberg, Düsseldorf and Berlin.