Μαστιχιάδης Απόστολος
Θέση: Καθηγητής ΑΕΙ/ΤΕΙ, Πανεπιστήμιο Αθηνών PhD: 1985, Dept. of Astronomy, Boston University, ΗΠΑ Τίτλος: Electron-positron pair production by ultrarelativistic electrons in a soft photon field (neutron stars) Supervisor(s): Marscher Alan - Brecher Kenneth Βιογραφικό: Professor Emeritus, Department of Physics, University of Athens, Greece. He was born in Athens, Greece, on the 7th of July of 1956. He received his B.Sc. in Physics from the University of Athens (1979), his M.Sc. in Astronomy from the Sussex University, U.K. (1980) and his Ph.D. in Astronomy from the Boston University, U.S.A. (1985). He has worked as Research Associate at the Max-Planck- Institut for Extraterrestrial Physics, Garching (1985-86; 1987-88), at the University of Adelaide (1988-90), at the NASA/Goddard Space Flight Center, Maryland (1992-93) and at the Max-Planck-Institut for Nuclear Physics, Heidelberg (1990-92; 1993-97). He has been a NASA/NRC Fellow (U.S.A., 1992-93). His scientific interests include High Energy Astrophysics, Radiation Mechanisms and Cosmic Ray Physics. He retired and was elected emeritus professor in 2023. He is a member of the Hellenic Astronomical Society (Hel.A.S.), and served as its President (2016-2020).
Ματσάκης Δημήτριος
Θέση: Ερευνητής, U.S. Naval Observatory PhD: 1978, Dept. of Astronomy, University of California, Berkeley, ΗΠΑ Τίτλος: An interferometric and multi-transitional study of the orion methanol masers. Supervisor(s): Townes Charles Βιογραφικό: He was born in Saint Louis, and he always loved and respected his Greek Heritage (Karpathos island). He received his B.Sc. degree in Physics from the Massachusetts Institute of Technology and his Ph.D. from the University of California in Berkeley. After graduating, he returned to Washington and participated in a project measuring the Earth’s rotation. He joined the Naval Observatory team in 1990, and seven years later, he became director of the Time Service Department. His scientific interests include also Radio Astronomy and Planetary Sciences. He is a member of the American Astronomical Society and of the International Astronomical Union (I.A.U.).
Ματσάκος Τίτος
Θέση: Ιδιωτικός Τομέας, JDX FinTech PhD: 2008, Dept. of Physics, University of Turin, Ιταλία Τίτλος: Προσομοιώσεις πρωτοαστρικών πιδάκων δύο συνιστωσών: συνδυάζοντας τις αναλυτικές και αριθμητικές προσεγγίσεις. Supervisor(s): Massaglia Silvano - Τσίγκανος Κανάρης Βιογραφικό:
Μαυραγάνης Αναστάσιος
Θέση: Καθηγητής ΑΕΙ/ΤΕΙ, Εθνικό Μετσόβιο Πολυτεχνείο PhD: 1975, Τμήμα Φυσικής, Πανεπιστήμιο Πατρών, Ελλάδα Τίτλος: Συμβολή εις το πρόβλημα του Stormer Supervisor(s): Γούδας Κωνσταντίνος Βιογραφικό: Professor at the Department of Mechanics, School of Applied Mathematical and Physical Sciences, National Technical University of Athens, Greece. He was born in Corinth, Greece, on the 12th of July, 1947. He received the B.Sc. in Mathematics from the University of Athens, Greece (1971) and the Ph.D. in Physics from the University of Patras, Greece (1975). He worked as a researcher at this University (1975-77), as Senior Assistant (1978-1982), Lector (1982-1985), Assistant Professor (1985-1993) and Associate Professor (1993 – 2009) of the former General Department of the National Technical University of Athens. Since 1978 he is also Professor at the School of Technical Education for Army officers. His scientific interests include Celestial Dynamics, Electrodynamics, the Dynamics of the Absolute Solid and the Dynamics of Complex Solid Systems and he has published more than 100 papers on these subjects. He has also published three textbooks on the “Stability of the Dynamical Systems”, the “Absolute Solid” and “Analytical Dynamics”. He has close scientific collaboration with the University of Liverpool (U.K.) and he has worked there as a Research Fellow.
Μαυρίδης Λυσίμαχος
Θέση: Καθηγητής ΑΕΙ/ΤΕΙ, Πανεπιστήμιο Θεσσαλονίκης PhD: 1954, Τμήμα Φυσικής, Πανεπιστήμιο Θεσσαλονίκης, Ελλάδα Τίτλος: Περί της μαθηματικής εκφράσεως της ετήσιας πορείας της θερμοκρασίας του αέρος και των μεταβολών αυτής από περιόδου εις περίοδον της ηλιακής δράσεως Supervisor(s): Βαρόπουλος Θεόδωρος - Ξανθάκης Ιωάννης Βιογραφικό: He was born in Kavala, Greece, on the 16th of September, 1928 and passed away in 2011. He received the B.Sc. in Mathematics from the AUTH (1949) and the Ph.D. in Astronomy from the same University (1954). He worked as Assistant (1951-1955) and Chief Assistant (1955-1960) at the Laboratory of Astronomy of the same University and as Director of the Research and Computing Center of the Academy of Athens (1960-1966). He was elected Professor of Geodetic Astronomy and Director of the respective Laboratory, School of Engineering, AUTH (1964-1966). He has been elected twice Dean of the School of Engineering of the AUTH (1967-1968 and 1970-1973), Vice- Rector of the AUTH, Founding Rector of the Democritus University of Thrace (1974-78), President of the State Scholarship Foundation (IKY) (1976-1978) and General Director of Higher Education of the Greek Ministry of Education and Cults (1978-1979). He is the Founder and the Director of the Stephanion Observatory (since 1966). His research work refers to Astronomy, Astrophysics, Geodesy, Geophysics, Space Science and Applications and, later, to Initial and Continuing Education and Training with Distance Learning. He has published more than 110 scientific papers in refereed journals and more than 20 papers in conference proceedings and special volumes/books. He has been Editor or coeditor in four volumes (“Observational Aspects of Galactic Structure”, “Structure & Evolution of the Galaxy”, "Stars and the Milky Way System”, “Compendium in Astronomy” and “Earthquake Prediction and Instrumentation”). He has published (in Greek) many textbooks and notes for the University students on Astronomy, Geodesy and Error Theory. He has been named Honorary Doctor of the Democritus University of Thrace, Department of Electrical and Computer Engineering (1995) and Department of Civil Engineering (1996). He is corresponding Member of the Academy of Athens (since 1988) and of the Academy of Sciences of Heidelberg (since 1988) and an active member of the N.Y. Academy of Sciences (1995). He has been honored by the President of the Greek Republic with the “Officer of the Order of the Phoenix” (1977) and by the President of the F.R. of Germany with the “Grosser Verdienst- Kreuz des Verdienst- Ordens der Bundesrepublik Deutschland” (1988).  The Academy of Athens awarded him the “Excellence of the Sciences”, the highest distinction in this field (1986). He is a member of the International Astronomical Union (IAU- President or Member in many organizing Committees of Commissions 27, 33, 46, 37 and of the Special Study Group 1.78), of the Astronomische Gesellschaft, of the American Astronomical Society, of the Astronomical Society of the Pacific, of the Royal Astronomical Society and of the Hellenic Astronomical Society. He has served as member in Greek National Committees (on Geodesy and Geophysics, on Astronomy and on Space Research). He has been a Member of the Group of U.N. Experts on the Geographical Names and President of its Third Conference and National Representative of Greece to the “Space Committee” of the European Commission. https://el.wikipedia.org/wiki/Λυσίμαχος_Μαυρίδης
Μαυροματάκης Φώτης
Θέση: Καθηγητής ΑΕΙ/ΤΕΙ, Ελληνικό Μεσογειακό Πανεπιστήμιο PhD: 1994, Τμήμα Φυσικής, Πανεπιστήμιο Κρήτης, Ελλάδα Τίτλος: Εκπομπή μαλακών ακτίνων Χ από αστέρες νετρονίων με δίσκο συσσώρευσης Supervisor(s): Βεντούρα Ιωσήφ Βιογραφικό:
Μαυρομιχαλάκη Ελένη
Θέση: Καθηγητής ΑΕΙ/ΤΕΙ, Πανεπιστήμιο Αθηνών PhD: 1978, Τμήμα Φυσικής, Πανεπιστήμιο Αθηνών, Ελλάδα Τίτλος: Μελέτη της ημερήσιας ανισοτροπίας της έντασης της νουκλεονικής συνιστώσας της κοσμικής ακτινοβολίας Supervisor(s): Αποστολάκης Αλκιβιάδης Βιογραφικό: Professor Emeritus, Department of Physics, University of Athens, Greece (since 1999). She was born in Egion, Achaias, Greece and obtained her B.Sc. in Physics (1970), the M.Sc. in Meteorology (1976) and the Ph.D. in Physics (1978) from the University of Athens, Greece. She worked as an assistant at the Nuclear Physics Laboratory (1970-82) and as Lecturer (1982) and Assistant Professor (1985) at the same University. She is a scientific collaborator (since 1979) of the Research Center of Astronomy and Applied Mathematics of the Academy of Athens. She has written one textbook on “Cosmic Rays” and co-authored two other textbooks on “Nuclear Physics” and “Atomic Physics”. She is the Head of the Cosmic Ray Group of Athens University from 1982 of undergraduate and graduate students as well as of post graduate and scientific researchers. Her scientific interests include Galactic and Solar Cosmic ray Physics, Magnetospheric Physics, Space Physics, Space Weather monitoring by cosmic rays, Neutron Monitors and satellite data analysis. She is Scientific Responsible of the Installation and Operation of the Athens Neutron Monitor Station in real-time (2000-) and Head of the Athens Neutron Monitor Data Processing (ANMODAP) Center (2003-today), an Alert system providing a warning signal worldwide in real-time for GLE events is operated since 2003.
Μελετλίδου Ευθυμία
Θέση: Καθηγητής ΑΕΙ/ΤΕΙ, Πανεπιστήμιο Θεσσαλονίκης PhD: 1996, Τμήμα Φυσικής, Πανεπιστήμιο Θεσσαλονίκη, Ελλάδα Τίτλος: Κριτήρια μη ολοκληρωσιμότητας σε Χαμιλτονιανά δυναμικά συστήματα Supervisor(s): Ιχτιάρογλου Συμεών Βιογραφικό:
Μελή Αθηνά
Θέση: Ερευνητής, North Carolina A&T State University PhD: 2002, Dept. of Physics and Astronomy, Imperial College London, Ηνωμένο Βασίλειο Τίτλος: Particle acceleration at relativistic and ultra-relativistic shock waves Supervisor(s): Quenby John Βιογραφικό:
Μερτζανίδης Κωνσταντίνος
Θέση: Καθηγητής ΑΕΙ/ΤΕΙ, ΤΕΙ Καβάλας PhD: 1975, Τμήμα Φυσικής, Πανεπιστήμιο Θεσσαλονίκης, Ελλάδα Τίτλος: Γαλαξιακαί τροχιαί πλησίον του εσωτερικού συντονισμού Lindblad Supervisor(s): Κοντόπουλος Γεώργιος Βιογραφικό: Professor (retired), Technological Educational Institute (TEI) of Kavala, Greece. He was born in Kavala on the 2nd of February, 1945. He obtained his B.Sc. in Physics from the Aristotle University of Thessaloniki, Greece (1968), an M.Sc. in Meteorology from the University of Athens, Greece (1972) and a second M.Sc. in Radioelectrology from the University of Thessaloniki (1974). He received the Ph.D. in Astrophysics from the same University. He is a member of the International Astronomical Union (IAU), of the IEEE and of the Hellenic Astronomical Society (Hel.A.S.).
Μεσσαριτάκη Ειρήνη
Θέση: Ερευνητής, Cardiff University PhD: 2003, Dept. of Physics, University of Florida, ΗΠΑ Τίτλος: Radiation reaction on moving particles in general relativity Supervisor(s): Detweiler Steven Βιογραφικό: https://www.cardiff.ac.uk/people/view/1757417-messaritaki-eirini
Μεταλλινού Αναστασία-Φιόρη
Θέση: Μεταδιδάκτορας, Εθνικό Αστεροσκοπείο Αθηνών PhD: 2008, Τμήμα Φυσικής, Πανεπιστήμιο Θεσσαλονικης, Ελλάδα Τίτλος: Ανάπτυξη και Εξασθένηση Μαγνητικών Καταιγίδων στο Γεωδιάστημα Supervisor(s): Σειραδάκης Ιωάννης - Δαγκλής Ιωάννης Βιογραφικό:
Μεταξά Μαργαρίτα
Θέση: Καθηγητής Δευτεροβάθμιας PhD: 1992, Τμήμα Φυσικής, Πανεπιστήμιο Αθηνών, Ελλάδα Τίτλος: Μελέτη ολιγομελών αστρικών σμηνών στο γαλαξία LMC Supervisor(s): Κοντιζά Μαρία Βιογραφικό:
Μήλλας Δημήτριος
Θέση: Μεταδιδάκτορας, University College London PhD: 2019, Department of Mathematics, Plasma-astrophysics Section, KU Leuven, Βέλγιο Τίτλος: On the stability and evolution of relativistic astrophysical jets Supervisor(s): Keppens Rony Βιογραφικό:
Μητσάκου Ελευθερία
Θέση: Ιδιωτικός Τομέας PhD: 2014, Τμήμα Φυσικής, Πανεπιστήμιο Αθηνών, Ελλάδα Τίτλος: Μελέτη ηλιακών εκρηκτικών φαινομένων με μετρήσεις από δορυφόρους και επίγειους σταθμούς Supervisor(s): Μουσάς Ξενοφών Βιογραφικό:
Μίγκας Κωνσταντίνος
Θέση: Μεταδιδάκτορας, Leiden Observatory PhD: 2021, Dept. of Astronomy, University of Bonn, Γερμανία Τίτλος: The isotropy of the Universe as seen through galaxy clusters Supervisor(s): Reiprich Thomas Βιογραφικό:
Μισιριώτης Άγγελλος
Θέση: Μεταδιδάκτορας, Πανεπιστήμιο Κρήτης PhD: 2001, Τμήμα Φυσικής, Πανεπιστήμιο Κρήτης, Ελλάδα Τίτλος: Morphology and dynamics of spiral galaxies Supervisor(s): Κυλάφης Νικόλαος Βιογραφικό: Angelos Misiriotis was born in Athens (Greece) on November 6, 1971. He obtained his BSc in Physics from the University of Patras in 1995 and his PhD in Theoretical Astrophysics in 2001, from the Dept. of Physics of the University of Crete, under the supervision of Prof. Nick Kylafis. During his PhD studies he spent two years at the Observatory of Marseille, where he collaborated with Dr. Lia Athanassoula and her group. His research interests included the morphology and dynamics of spiral galaxies and until his passing away on January 4, 2008 at the age of 37, he had published 12 refereed papers in these areas. He is survived by his wife Anastasia and his children Nestor and Iro.
Μισλής Δημήτριος
Θέση: Ερευνητής, Quatar Foundation PhD: 2010, Observatory, University of Hamburg, Γερμανία Τίτλος: Theory and applications for transiting extrasolar planets Supervisor(s): Schmitt Jurgen Βιογραφικό:
Μιχαηλίδης Παναγιώτης
Θέση: Καθηγητής Δευτεροβάθμιας PhD: 1978, Τμήμα Φυσικής, Πανεπιστήμιο Αθηνών, Ελλάδα Τίτλος: Τροχιές σε δυναμικό μοντέλο γαλαξιακού τύπου Supervisor(s): Κοντόπουλος Γεώργιος Βιογραφικό:
Μιχαλάς Δημήτριος
Θέση: Καθηγητής ΑΕΙ/ΤΕΙ, Los Alamos National Laboratory PhD: 1963, Dept. of Astronomy, California Institute of Technology, ΗΠΑ Τίτλος: Model atmosphere studies of early type stars Supervisor(s): Oke John Beverly Βιογραφικό: Dimitri M. Mihalas (1939 - 2013) Dimitri Mihalas died on Thursday the 21st of November 2013. World-renowned astrophysicist Dimitri Mihalas passed away in his sleep at his home in Santa Fe, New Mexico on November 21, 2013. Dr. Mihalas retired from the University of Illinois at Urbana- Champaign in 1999 and from the Los Alamos National Laboratory in 2012. Dimitri, to his friends and family, has donated his body to the University of New Mexico Medical School and his library to New Mexico Tech. Dimitri was born on March 20, 1939 in Los Angeles, California where he grew up. He received his B.A., with Highest Honors, in three majors, Physics, Mathematics, and Astronomy, from the University of California at Los Angeles at age 20. Four years later he received his Ph.D. in Astronomy and Physics from the California Institute of Technology. He was a pioneer in computational astrophysics, and has remained a world leader in the fields of radiation transport, radiation hydrodynamics, and astrophysical quantitative spectroscopy for decades. His broad knowledge and immense contributions earned him election to the U.S. National Academy of Sciences in 1981 at age 42. Dimitri had an exceptional record of work. He published more than 150 papers and technical reports, authored or co-authored eight books, and co-edited three others. Three of his books have been used as textbooks for both undergraduate and graduate students worldwide and have been translated into other languages, including Russian. His book Foundations of Radiation Hydrodynamics has become the “bible” of the radiation hydrodynamics community. Dimitri wrote his Ph.D. thesis on theoretical modelings for hydrogen and helium line strengths and profiles in O-stars. He interpreted the observational data with the best theoretical analysis possible at the time. The models were computed using the then prevailing simplifying approximation of local thermodynamic equilibrium (LTE). As shown by its high number of citations, this work, primitive by todays standards, had a major impact on the field. After joining the faculty of the Department of Astrophysical Sciences at Princeton University, Dimitri undertook new analyses of stellar abundances, devised a method for constructing a constant-flux atmosphere with convection in the full transport (not diffusion) regime, computed the first line-blanketed spectrum of a hot B star which showed that continuum- only models overestimated the effective temperature by 10% (hence luminosity by 40%), and computed a sample of H line-blanketed models accounting for the distortion of the continuum by the confluence of the hydrogen Balmer lines near 3650Å. Dimitri realized that the widely accepted approximation of LTE in stellar atmospheres is inadequate, so he undertook a major initiative to solve the analogous non-LTE problem. This is an exceptionally difficult problem owing to the need to solve self-consistently a set of coupled, highly nonlinear effects. Only the highly idealized case of a two-level atom with a single line and two continua had been solved previously. After several preliminary explorations of methodology with Auer, they reformulated the non-LTE stellar atmosphere problem in a completely original manner; applying the Newton- Raphson technique to the full nonlinear system, and iterating to convergence. This method was a breakthrough in the field – it revolutionized all further work on computing stellar atmospheres. Through his idea of “variable Eddington factors,” the method was made even more efficient. With this new methodology, Dimitri constructed an extensive, widely cited, sample of non-LTE models for hot stars, and used them to evaluate the effects of departures from LTE on observable stellar line and continuum indices. These results allowed Mihalas and Auer to perform several critical studies which were not previously possible, achieving for the first time good agreement between the computed and observed strengths of the hydrogen and helium lines, and surface gravities consistent with the stars observed masses and element abundances obtained from nebular analyses. This work has been widely cited, both for the quality of fit to observations, as well as a “gold standard” for verification of present-day calculations using much faster iterative methods. Work with Hummer led to the discovery of the physical mechanism producing the emission the N III emission lines at wavelengths 4634 – 4650Å in O((f)) stars. In the 1970s, Dimitri devised the now standard method for solving the line-transfer problem in expanding spherical atmospheres in the comoving frame. This work was summarized in the heavily cited 2nd edition of his textbook Stellar Atmospheres, which remains the standard in the field even after 25 years. A third edition (with I. Hubeny) which describes modern fast, iterative methods to solve the transfer equation, including realistic line-blanketing, is in press. In the period 1981 – 1998, as a consultant to LANL, Dimitri gave lectures on radiation hydrodynamics, for which, he received a number of “Certificate of Appreciation” by X-Division for “Outstanding Service to the Applied Theoretical Division”. In 1984 Dimitri completed the above-mentioned Foundations of Radiation Hydrodynamics. In 1999 Dover Publications reprinted it in inexpensive paperbound form at the urging of many scientists from LANL, LLNL, NRL, and the academic community. In the period 1987 – 1994 Dimitri worked with Anderson, Hummer, and B. Mihalas on the development of a modern EOS code for stellar envelopes, in support of the large British – American Opacity Project (OP) led by Professor M. J. Seaton. It emerged that the OP results are in excellent agreement (better than 10%) with the independent LLNL OPAL computations. These new opacity data significantly impact stellar evolution calculations, and have helped resolve several previous discrepancies between calculation and observation, especially with the interpretation of Cepheid variable pulsations. Jointly with Stone, Dimitri showed that the computational oscillations or diffusion, typically found in numerical simulations of a propagating radiation front in vacuum, could be eliminated by using upwind monotonic interpolation methods. They (and M. Norman) also collaborated on incorporating 2-D radiative transfer in the radiation magnetohydrodynamics code ZEUS 2-D developed at the University of Illinois and extensively used by astrophysicists. In collaboration with K.-H. Winkler and M. Norman, Dimitri developed novel implicit adaptive grid methods to solve 1-D radiation hydrodynamics problems having multiple time and space scales ranging over many orders of magnitude. Dimitri derived the “adaptive-grid transport theorem” rigorously. In 1994 – 1997, Dimitri developed TITAN, a 1-D implicit adaptive-grid code. In collaboration with Cheng at Los Alamos, Dimitri used TITAN to compute the best-ever numerical solution of the infamous Noh stagnating shock problem in planar, cylindrical, and spherical geometry. In 1999, in collaboration with Gehmeyr, and Sincell, Dimitri studied the famous Zeldovich and Heaslet/Baldwin supercritical shock problem and was able to compute the first numerical solutions for this problem. Also in the same year, Dimitri and Auer wrote “An X-6 Radiation Hydrodynamics Primer” intended for LANL use, and in 2001 they published an incisive discussion on exact relativistic laboratory-frame radiation hydrodynamics. Dimitri was honored for his many scientific contributions at the International Conference in Honor of Dimitri Mihalas for his Lifetime Scientific Contributions on the Occasion of his 70th Birthday held in Boulder, CO in late March 2009. In addition to his many scientific contributions, he also published several collections of his poetry and other writings. These other writings include "A Primer on Depression and Bipolar Disorder" and "Depression, Bipolar Disorder, and Spiritual Growth." These books have had as profound an impact as his professional textbooks and articles. Throughout his long career, Dimitri gave generously of himself to all with whom he interacted. As an advisor, role model, confidant, and friend, he saw each person as an individual, acknowledging strengths, helping overcome weaknesses, giving encouragement, and enthusiastically praising their success. He touched the lives and careers of many students and colleagues and has left a lasting legacy to be cherished by those who knew him. Reprinted with permission from Physics Today. Baolian Cheng, LANL, Los Alamos, NM John Castor, LLNL, Livermore, CA Jim Stone, Princeton University, Princeton, NJ
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