Holger Weiss, Ph.D. (1997), Åbo Akademi University, is Professor of general history and a specialist in global, Atlantic and African history. His most recent publications include The Internationalisation of the Labour Question: Ideological Antagonism, Workers' Movements and the ILO since 1919, ed. Stefano Bellucci and Holger Weiss (Palgrave MacMillan, 2020).

This volume offers an account on the global activities of the International Propaganda Committee of Transport Workers and the International of Seamen and Harbour Workers to radicalize the maritime transport workers during the interwar period.