Facts: - successor: antonio gramsci - party: communist party of italy , international communist party - death date: 23 july 1970 - office: secretary of the communist party of italy - term end: 1924 - term start: 1921 - birth date: 13 june 1889 - name: amadeo bordiga - nationality: italian - image: bordiga.gif - birth place: resina , italy Based on these bullet points, write a short biography describing the life of amadeo bordiga .
amadeo bordiga -lrb- 13 june 1889 -- 23 july 1970 -rrb- was an italian marxist , a contributor to communist theory , the founder of the communist party of italy , a leader of the communist international and , after world war ii , a leading figure of the international communist party .