Giuseppe Di Vittorio, also known under the pseudonym "Nicoletti" (August 12 1892, Cerignola-November 3 1957, Lecco), was an Italian syndicalist trade unionist and communist politician, one of the most influential leaders of the labor movement after World War I. Wikipedia
The definitive Wikipedia entry for Giuseppe di Vittorio. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Giuseppe_Di_Vittorio