Prominent personalities have carried out their activities at ICRA and ICRANet, among them are: Prof. Riccardo Giacconi, Nobel Prize for Physics in 2002, Gerardus 't Hooft, Dutch physicist and Nobel Prize for Physics in 1999; Steven Weinberg, Nobel Prize in 1979; Murray Gell -Mann Nobel Prize in 1969; Subrahmanyan Chandrasekhar Nobel Prize in 1930; Haensch Theodor, Nobel Prize in 2001; Valeriy Ginzburg., Francis Everitt, Chairman of the Scientific Committee of ICRANet, Isaak Khalatnikov, Russian physicist and former director of the Landau Institute for Theoretical Physics from 1965 to 1992; Roy Kerr, New Zealand mathematician and discoverer of the " Kerr Metric "; Thibault Damour ; Demetrios Christodoulou ; Hagen Kleinert ; Neta and John Bachall; Tsvi Piran ; Charles Misner ; Robert Williams ; José Gabriel Funes ; Fang Li-Zhi ; Rashid Sunyaev.