 Complete the following phrase:  From 1924 to 1926 she worked at the Messeamt, or Trade Fair Office, in Frankfurt am Main. There, she was in charge of organizing and designing trade fairs. It was there that she met Ludwig Mies van der Rohe, vice president of the Deutscher Werkbund. This sparked a period of involvement of furniture for van der Rohe as the two collaborated on many projects together. In 1927 the two worked on Die Wohnung in Stuttgart for the Werkbund. She designed many interiors for this exhibition including Wohnraum in Spiegelglas living space in mirror glass. During her career she designed store windows, exhibition displays, and fashion. In 1929 she became the artistic director for the German contribution to the 