Education
Born in Hannover, Province of Hanover, Prussia, on 11 September 1901, after school education Mühlenfeld studied law and political science at the University of Göttingen where he was granted his doctor of law.
Born in Hannover, Province of Hanover, Prussia, on 11 September 1901, after school education Mühlenfeld studied law and political science at the University of Göttingen where he was granted his doctor of law.
After passing his state examination, he worked as a corporate lawyer As parliamentary Group Vice Chairman, in September 1950 Mühlenfeld took over as Parliamentary Chairman of the German party after the death of Friedrich Klinge. Mühlenfeld resigned from the Bundestag on 15 May 1953 in order to take up an appointment as Ambassador of the Federal Republic of Germany in the Netherlands.
This office he held until 1958, when he was appointed to succeed Walther Hess as Ambassador to Australia, where he served until 1962.
As Ambassador he facilitated a donation of 1000 modern German books to the National Library of Australia and an exhibition of fine German works of literature. From 1963 to 1965 he served in the state Social Democratic Party-Freie Demokratische Partei (Free Democratic Party) government of Georg Diederichs as Minister of Culture.
After the war in 1945, Mühlenfeld was a co-founder and from 1950 deputy chairman of the German Party (DP).
In the summer semester of 1929 he became a member of the Burschenschaft (fraternity) Hannovera. In 1947 he was elected as a member of the Landtag of Lower Saxony and in 1949 Mühlenfeld was elected on the Lower Saxony List of the German Party in the first Bundestag. After the merger of the German Party in 1960 he left his former party and returned to the Landtag of Lower Saxony from 1963 to 1967 as a member of the Freie Demokratische Partei (Free Democratic Party).