David Blaazer is an historian of modern Britain and Ireland.  His early research was on the non-communist left in Britain and resulted in the publication of The Popular Front and the Progressive Tradition: socialists, liberals and the quest for unity, 1884-1939 (Cambridge: Cambridge University Press, 1992) and a number of articles on the history of Guild Socialism. He has also published on the Northern Ireland conflict, and on the historiography of globalisation. His more recent work is on the history of money in Britain and Ireland. His book, Forging Nations: Currency, Nationality and Power in Britain and Ireland 1603-1931, appeared with OUP in July 2023. He is now working on the rise and fall of Social Democracy in the UK, especially in relation to monetary ideas and financial markets.