 In 1946 Wildermuth was appointed Secretary of State for Economics in the Württemberg-Hohenzollern provisional government.From 22 July 1947 until 20 September 1949 he was then Minister of Economic Affairs of Württemberg-Hohenzollern in the cabinet of Gebhard Müller.After the general election in 1949 he was on 20 September 1949 appointed Federal Minister for Reconstruction (from 1950