!!Alfonso Cavaliere - Curriculum vitae \\ *1957 Laurea cum laude in Physics at Rome University *1959-69 Researcher at Plasma Physics Laboratory CNEN, Frascati *1969- 70 Research Associate ESRO-NASA, Center for Space Research MIT *1970- 71 Senior Scientist in the X-ray Group led by R. Giacconi at ASE, Cambridge, Mass. *1971- 72 Visiting Scientist at ESRIN-ESA, Frascati *1972- 74 Associate Professor of Astronomy at the University of L Aquila *1974-76 Research Director at the Institute for Space Astrophysics, CNR, Frascati *1976-79 Full Professor of Cosmology at Padova University *1979-82 Full Professor of Astrophysics at Rome University, La Sapienza *1986-92 Director of Rome Astronomical Observatory *1984-2008 Full Professor of Astrophysics at University of Rome Tor Vergata \\ __Highlights of Scientific Work__ \\ *Discovery of X-ray emission from hot, diffuse baryons in galaxy Clusters and Groups *The now standard, p-model for the radiai distribution of the hot intracluster plasma and its bremsstrahlung emission *How entropy sets the baryon apart from the dark matter distribution in galaxy Clusters Distance of galaxy Clusters from X-ray luminosity and CMB spectral perturbation *Non-thermal emissions from AGN and Quasars *Continuity equation for the luminosity function of Quasars and its cosmological evolution *Models of gamma-ray emissions from Blazars