Researcher (retired) of the Astronomical Institute of the National Observatory of Athens (N.O.A.), Greece. He was born in Athens on the 3rd of March, 1934. He received the B.Sc. in Physics (1960), the M.Sc. in Radioelectrology (1963) and the Ph.D. (1970), all from the University of Athens, Greece. He has worked as associate scientist at the National Research Foundation and served as a Director of the Penteli Astronomical Station of the N.O.A. He is a member of the International Astronomical Union (IAU), of CESRA, of the European Physical Society, of the Joint Organization of Solar Observers (JOSO) (where he has served as National Representative of Greece), of the European Astronomical Society, of the Greek Physics Union and he is a founding member of the Hellenic Astronomical Society (Hel.A.S.).