Gertrud Grunow

Gertrud Grunow (8 July 1870 – 11 June 1944) was a German musician and educationalist who formulated theories on the relationships between sound, colour and movement and was a specialist in vocal pedagogy. She taught courses in the "theory of harmonisation" at the Bauhaus in Weimar, where she was the school's first woman teacher and the only woman teacher during the school's Weimar years. Provided by Wikipedia