|Aristotelian University Thessaloniki, Greece
Alexandros K. Tsioumis was born in Tsotili, Kozani on March 28, 1937, where he spent his student years. In 1954 he graduated from Tsotiliou High School and came to the Aristotle University of Thessaloniki to study Physics . After obtaining his degree in 1959 and after completing his military service (1959-1961) as a hoplite topographer, he worked as a high school teacher of physics at the American College "Anatolia" (1961-1963). In 1963, he started postgraduate studies at the "Demokritos" nuclear research center in the field of nuclear physics. In November 1965 he was appointed assistant at the Laboratory of Geodetic Astronomy of the Polytechnic School of the Aristotle University of Thessaloniki, where he worked under the supervision of Professor L. N. Mavridis. In 1971 he received his educational leave and until 1973 he was in Heidelberg, then West Germany, where he was a research associate of the "Astronomisches Recheninstitut". After his return to Greece, he completed his doctoral dissertation entitled "Contribution to the study of the spiral structure of the galaxy with the help of red stars", which he submitted to the School of Physics and Mathematics. Short. He was awarded a doctorate in May 1974. In 1982, he joined as Lecturer the Department of Geodesy and Topography of the Department of Agronomy and Surveying Engineering of the Polytechnic School of the Aristotle University of Thessaloniki. In February 1973, he was transferred to the position of part time research associate of the Laboratory of Geodetic Astronomy, and in 1979 he became a full-time research associate of the Polytechnic School of the Aristotle University of Thessaloniki. In the spring of 1984 he was elected Permanent Assistant Professor, in the winter of 1987 an Associate Professor and in 1991 a Professor. He authored four books and 45 scientific papers. Throughout this course he is accompanied by Chrysanthi Mavropoulou-Tsioumi with whom he had two children. He passed away on Friday, October 25, 2002.