Alessandro Gavazzi ( 21 March 18099 January 1889 ) was an Italian preacher and patriot . He at first became a monk ( 1825 ) , and attached himself to the Barnabites at Naples , where he afterwards ( 1829 ) acted as professor of rhetoric . He left the church , and became best known as a provocative speaker against Catholicism , touring Europe and the United States . Protests against him broke out in Canada in 1853 , causing numerous deaths in the Gavazzi Riots In 1840 , having already expressed liberal views , he was removed to Rome to fill a subordinate position . Leaving his own country after the capture of Rome by the French , he carried on a vigorous campaign against priests and Jesuits in England , Scotland and North America , partly by means of a periodical , the '' Gavazzi Free Word ''
Gavazzi Riots
Gavazzi Riots
Alessandro Gavazzi