This is apoliticalbiography ofAlphonseMerrheim, asignificant leader of the Conf6d6ration G6n6raledu Travail(CGT)intheyears between 1904 and 1923 and the most important member of the Federation of Metalworkers during the sameperiod. Hewas born inthe Nord in 1871 and becameaworkeratanearlyage, firstinmetallurgythanintextiles and finally once more in metalworking. In his ideologicalevolution hepassed through asocialistpoliticalpartyandthenconvertedtorevolutionarys- dicalism. In his peculiar fusion of theory and practice, Merrheim represented a form of revolutionary syndicalism that helps define...