The Swiss designer Hans Theo Baumann served an apprenticeship as a textile technician before studying from 1943 to 1946 at the Akademie der bildenden Künste in Dresden and subsequently studying graphic design and interior decoration at the Kunstgewerbeschule in Basel. In 1955 Hans Theo Baumann opened a studio. By 1954 Hans Theo Baumann was freelancing for Rosenthal, a collaboration that would continue on into the 1970s. Companies for whom Hans Theo Baumann designed ceramics and glass objects include Thomas, Arzberg, KPM, Süssmuth, and Schönwald. Characteristic features of pieces designed by Hans Theo Baumann are clear geometric forms, the use of white, often without decoration, and softly rounded corners. In 1970 Hans Theo Baumann designed "Berlin", a successful service and cutlery range for Rosenthal. For Arzberg Hans Theo Baumann designed the services "3000" (1971), "Donau" (1973), "Turku" (1973), "Brasilia" (1975), and "Delta" (1977), as well as vases and other tableware. In 1959 Hans Theo Baumann was a founding member of the Verband Deutscher Industrie Designer (VDID: Association of German Industrial Designers) and was president of it until 1970.