Carl Madsen
Carl Frederik Madsen (17 November 1862 – 27 May 1944) was a Danish trade unionist and politician. Madsen worked as a cobbler, and became chair of the shoe workers' union. In 1908, he became the secretary of the Danish Confederation of Trade Unions, serving until 1928. In 1920, he was appointed as a Social Democrats member of the Landstinget, serving until 1936. In 1927, Madsen was elected as a vice-president of the International Federation of Trade Unions, but resigned the following year.