Hein Vos  Hendrik "Hein" Vos (5 July 1903 – 23 April 1972) was a Dutch politician of the defunct Social Democratic Workers' Party (SDAP) and later the Labour Party (PvdA) and economist. Vos attended a Gymnasium in Heerenveen from April 1917 until May 1921 and applied at the Delft Institute of Technology in June 1921 majoring in Electrical engineering and obtaining an Bachelor of Engineering degree in June 1923 before graduating with an Master of Engineering degree in July 1927. Vos worked as a civil servant for the municipality of Deventer from July 1927 until September 1928 and for the Patent Office of the Ministry of Economic Affairs from September 1928 until July 1934. Vos served on the Municipal Council of Rijswijk from 1 September 1931 until 22 July 1934. Vos worked as a trade union leader for the Dutch Trade Unions association (NVV) from July 1934 until 8 June 1937 and as the director of the Social Democratic Workers' Party think tank from July 1934 until May 1940. Vos also served as Editor-in-chief of the party newspaper " Vrijheid, Arbeid en Brood" from June 1935 until May 1940. Vos served on the Municipal Council of Amsterdam from 3 September 1935 until 5 September 1939. Vos was elected as a Member of the House of Representatives after the election of 1937, taking office on 8 June 1937 serving as a frontbencher and spokesperson for Economic Affairs. On 10 May 1940 Nazi Germany invaded the Netherlands and the government fled to London to escape the German occupation. During the German occupation Vos continued to serve as a Member of the House of Representatives in "in name only" but in reality the "de facto" political influence of the House of Representatives was marginalized by the German occupation authority. Following the end of World War II Queen Wilhelmina ordered the formation of a Government of National unity to serve as a caretaker capacity until the new election with Vos appointed as Minister of Commerce and Industry in the Cabinet Schermerhorn–Drees, taking office on 25 June 1945. On 9 February 1946 the Social Democratic Workers' Party (SDAP), the Free-thinking Democratic League (VDB) and the Christian Democratic Union (CDU) choose to merge to form the Labour Party (PvdA). After the election of 1946 Vos returned as a Member of the House of Representatives, taking office on 4 June 1946. Following the cabinet formation of 1946 Vos was appointed as Minister of Transport in the Cabinet Beel I, taking office on 3 July 1946.