Juris Doctor, University Turin, 1945.
Professor criminal procedure University Urbino, Italy, 1953—1956, professor human rights, 1995—2003. Professor, chair criminal procedural law University Genoa, 1956—1959. Professor University Turin, 1960—1973, Sapienza University Rome, 1973—1977.
Member Superior Council of the Magistrature, Italy, 1976—1981, vice president, 1981. Judge Constitutional Court Italy, 1982—1991, president, 1990—1991. Minister of justice of Italian Republic, 1993—1995.
President Accademia Nazionale dei Lincei, Rome, since 2003. Chairman ministerial committee Code of Criminal Procedure, Italy, 1995—1998. Chairman United Nations Diplomatic Conference Plenipotentiaries on Establishment of International Criminal Court, 1998.
Adjunct professor constitutional law Maria Steamship. Assunta University (LUMSA), Rome. Professor criminal procedure Luiss University, Rome.
Member of Italian Journalists Association, Italian Bar Association, Academy of Sciences Turin.