Basilis Xanthopoulos obtained his BSc in Mathematics from the University of Thessaloniki in 1973 and his M.Sc. and PhD in Physics from the Univeristy of Chicago (USA) in 1976 and 1978 respectively. His academic genealogy tree is here.
During the period of 9/1978-6/1979 he was visiting assistant professor at Montana State Univesity and from in 7/1979 to 12/1979 he was a research associate at Syracuse University. He returned to Greece as Chief Assistant at the University of Thessaloniki (1980-1982) before joining the Department of Physics of the University of Crete as an Assistant Professor (1982-1983), Associate Professor (1983-1987), and Professor (1987-1990). He served as Chair of the Dept. of Physics from 1987-89 and from 1989 until his early death on November 27, 1990.
Mathematical Physics, General Theory of Relativity, Theoretical Astrophysics. His publications at NASA/ADS are available here.