which consecrated the Republic. He was on the 75-member Commission that was to write the text of the Italian Constitution, and contributed to the formulation of articles 3 and 49 in particular. From 1946 to 1968, he was consistently elected deputy, and was elected senator in 1972 and 1976. PSI-PSIUP split In 1946 he set up the review Quarto Stato, which remained in print until 1950. At the time of the Giuseppe Saragat schism (1947), Basso became Secretary of the PSI, a role he occupied until the Genoa Congress in 1949. In 1950 he was not re-elected to the leading ranks due to his opposing views on the Stalinist leanings of the party at the time. At the 1953 Milan Congress he was not included in the central committee, and was only re-admitted in 1955. At the 1957 Venice Congress, he returned to the ruling body. The following year, Basso launched Problemi del Socialismo (still in print today with the new title Parolechiave). Basso was an active member of the left-wing of the PSI from 1959. In December 1963, he made a voting statement to the Chamber, signed by 24 members of the minority of the Socialist parliamentary group against the first Center-left government (led by Aldo Moro). This earned him suspension from the party, and, in January 1964, he participated in the constituent assembly of the PSIUP. Basso was one of the leaders of the new party, and was its president from 1965 to 1968. As lawyer Lelio Basso founded and wrote for a number of international publications. He was famous throughout Europe as a criminal lawyer, and sat in the Russell Tribunal, an international body presided by Bertrand Russell, established to judge American crimes in the Vietnam War. In 1973, he worked to establish a second Russell Tribunal to examine the repression being carried out in Latin America, and worked to set up the Permanent Peoples' Tribunal (established after his death, in 1979). In 1973 he also founded the Fondazione Lelio e Lisli Basso in Rome, and, in 1976, the Fondazione Internazionale and the Lega Internazionale per i Diritti e la Liberazione dei Popoli. He also intiatiated the Universal Declaration of the Rights of Peoples. Works Lelio Basso's life was a medley of intellectual activity and research on the one hand and the search for an effective political instrument on the other, all on an international scale. As