Zwalf Collection
Meyer (Max) Zwalf (1901–1954) was born in Amsterdam and was involved in politics from an early age. He was an official of the Amsterdam social democratic youth organisation and later worked with the Marxist Rudolf Kuyper in a private institute for higher education. From 1923 to 1930 he was librarian and archivist of the Association of Social Democratic City and County Councillors. In 1931 he was recruited by Edo Fimmen, the secretary of the International Transport Workers Federation, to be the research and publications officer of the Federation. He held the position until his death.