[3] After graduation, between 1952 and 1953, she worked for a short period in the graphic design studio of Romain Sager in Zurich, part of the Triplex agency,[4] before moving to Milan upon the advice of Max Huber, who had also attended the Kunstgewerbeschule.
Soon after moving to Milan in 1953, Lamm began working for Studio Boggeri, a centret for Italian graphic design during those years, under the coordination of Frank C. Thiessing.
The Studio, founded by Antonio Boggeri in 1933, viewed[vague] some of the most Italian, German, and Swiss graphic designers, like Erberto Carboni, Fortunato Depero, Franco Grignani, Max Huber, Enzo Mari, Armando Milani, Bruno Monguzzi, Bob Noorda, Xanti Schawinsky, Albe Steiner and Carlo Vivarelli.
[3] During her years at La Rinascente, she also worked freelance for Pirelli, Elizabeth Arden, Olivetti, Niggi Cosmetica and Consorzio Latte Milano.
[3] Her contribution to La Rinascente consisted of catalogues, posters, advertisements, invitations, mailers, packaging and other publicity, besides the curation of the Il Giappone ("Japan") exhibit of 1956.