The Swiss designer Hans Theo Baumann first served an apprenticeship as a textile technician, then studied at the "Akademie der bildenden Künste" in Dresden from 1943 to 1946 before studying graphic design and interior decoration at the Kunstgewerbeschule in Basel.
From 1954 Hans Theo Baumann freelanced for Rosenthal. In 1955 Hans Theo Baumann started up a studio of his own, designing primarily glass and ceramic objects for Thomas, Arzberg, KPM, Süssmuth and Schönwald. Pieces designed by Hans Theo Baumann are distinguished by clear geometric forms, are often in white without decoration, with softly rounded corners. Hans Theo Baumann's designs include the successful service and cutlery line "Berlin" (1970) for Rosenthal; the "3000" (1971) service, "Donau" (1973), "Turku" (1973), "Brasilia" (1975) and "Delta" (1977) for Arzberg as well as numerous vases, dishes, and jars.
In 1959 Hans Theo Baumann co-founded the Verband Deutscher Industrie Designer (VDID), remaining president of it until.