Professor Emeritus, Department of Primary Education, Aristotle University of Thessaloniki, Greece. He was born in Megali Panagia, Chalkidiki, Greece, on the 8th of April, 1949. He received the B.Sc. in Mathematics from the University of Thessaloniki, Greece (1972) and the Ph.D. from the same Department (1984). He is a member of the International Astronomical Union (IAU), the Union of Greek Mathematicians, the Union of Greek Physicists and founding member of the Hellenic Astronomical Society (Hel.A.S.). His main scientific interest is the Observational Astronomy and he has published more than 47 scientific papers in refereed journals and 27 in conference proceedings and special volumes/books. He has written two textbooks: “Observational Astronomy” and “Differential Calculus of functions of one variable” and three other books: “Astronomical Planisphere & “An introduction to the night sky”, “Aratos of Soli, Phaenomena”,”Near Space Environment of the Earth, History, Technology and Science of Astronomy”.