He has collaborated on several discoveries in the field of sub-nuclear physics and has worked in numerous research laboratories such as Fermilab in Chicago and CERN in Geneva.
[1][2] The Ettore Majorana centre sponsors the International School of Subnuclear Physics, where Zichichi serves as director.
He was president of the Istituto Nazionale di Fisica Nucleare from 1977 up to 1982 and in 1980 he strongly backed the creation of the Laboratori Nazionali del Gran Sasso.
He is president of the World Federation of Scientists, an organization concerned with the fight against planetary emergencies.
[7] Zichichi gave the opening talk at the 4-day international symposium Subnuclear Physics: Past, Present and Future held in 2011 in Vatican City.