Cesare Seassaro (25 March 1891 in Pavia, Italy – 15 November 1921 in Rijeka, Croatia) was a socialist journalist and publicist. In 1918, he authored Cooperazione e municipalizzazione. La personalità giuridica dell’azienda municipalizzata.
Originally from a bourgeois family, Seassaro became an involved Catholic socialist after participating in the First World War.[1][2] He eventually became an early member of the Communist Party of Italy. Already in 1919 he wrote for the weekly L'Ordine Nuovo founded by Antonio Gramsci.[3]
Seassaro began working for the Triestine communist newspaper Il Lavoratore in September 1921, after it had restarted publication following a Fascist attack in February 1921.[4][5] Seassaro wrote various articles for Il Lavoratore that fused communist theory and current events on topics such as internationalism, Fascism, and revolution.[6][7][8] Additionally, he contributed his perspectives on the compatibility of communism and Christianity.[9]
Seassaro traveled to Fiume in November 1921 to support the construction of the Communist Party of Fiume.[10] He died there in his sleep of accidental gas intoxication.[10]