Gustav Stresemann
Curtius became "Reichswirtschaftsminister" (Minister for Economic Affairs) in January 1926 as a member of the second cabinet of Hans Luther and remained in that office in several different cabinets that followed. After Gustav Stresemann died on 3 October 1929, Curtius became the acting Foreign Minister and in November vacated his old position and took over the "Auswärtiges Amt".