IAU Symposium #29: Non-Stable Phenomena in Galaxies
May 4-12, 1966, Byurakan, Armenia
This was the first IAU Symposium, held in Byurakan. Its subjects were limited to non-stable phenomena of large scale, which have significance for the properties of galaxies as a whole. The main attention was spared to the observational data, their comparison and systematization. Radio galaxies and recently discovered quasars were mainly in the centre of attention at the Symposium.
Scientific organizing committee (SOC): V.A. Ambartsumian (Chairman, Armenia), E.M. Burbidge (USA), B.A. Vorontsov-Velyaminov (Russia), J. Lequeux (France), A.R. Sandage (USA).
Local Organizing Committee:
Scientific topics:
- The Nuclei of Galaxies, their Nature and Forms of Activity
- Radiogalaxies
- Quasi-Stellar Radio Sources. Optical Quasi-Stellar Objects
- Chief Optical Features (Arms, Bars, Filaments) and the Instability. Interacting Galaxies
The symposium aroused a great interest in the scientific circles of all over the world. 67 astronomers participated in the symposium, 31 of them – scientists of 11 foreign countries (USA, UK, France, Italy, Mexico, Holland, Argentina, Sweden, GDR, Hungary, and Norway). Among them there were such distinguished scientists, as J. Oort (Holland), E.M. Burbidge, G.R. Burbidge, F. Zwichy, C.R. Lynds, D.S. Heeschen, G. Munch, and K.I. Kellermann (USA), J. Lequeux (France), L. Rosino (Italy), V.V. Sobolev, I.S. Shklovsky, Y.B. Zeldovich, V.L. Ginzburg, A.B. Severny, B.A. Vorontsov-Velyaminov, N.S. Kardashev, Y.N. Pariysky (USSR), and others. 17 of 36 Soviet scientists were from the Byurakan Observatory, presenting 7 reports at the Symposium. Altogether 54 reports were presented, including 5 invited review talks by V.A. Ambartsumian, J. Lequeux, R.L. Minkowski, M. Schmidt, and B.A. Vorontsov-Velyaminov.
Proceedings: Non-Stable Phenomena in Galaxies, Ed. M.A Arakelian, Academy of Sciences of the Armenian SSR, Yerevan 1968, 480 p. (in Russian).

Full List of Participants
T.A. Aghekian, Leningrad State University (LSU), USSR
V.A. Ambartsumian, Byurakan Astrophysical Observatory (BAO), USSR
M.A. Arakelian, Leningrad State University (LSU), USSR
S.N. Arakelian, Byurakan Astrophysical Observatory (BAO), USSR
F. Bertola, Asiago Observatory, Italy
S.Y. Braude, Kharkov, Ukraine, USSR
G.R. Burbidge, University of California, USA
E.M. Burbidge, University of California, USA
G. Courtes, Marseille Observatory, France
R.D. Davies, Jodrell Bank, UK
L. Detre, Konkoli Observatory, Hungary
A.N. Deutsch, Pulkovo Observatory, USSR
E.A. Dibay, GAISH, Moscow, USSR
A. Elvius, Uppsala Observatory, Sweden
M. Fujimoto, University of Columbia, USA
R.Y. Gershberg, Crimea Astrophysical Observatory (CrAO), USSR
V.L. Ginzburg, Lebedev Institute, USSR
G.A. Gurzadian, Byurakan Astrophysical Observatory (BAO), USSR
D.S. Heeschen, Green Bank, USA
E.Y. Hovhannessian, Byurakan Astrophysical Observatory (BAO), USSR
S.G. Iskudarian, Byurakan Astrophysical Observatory (BAO), USSR
Z.I. Kadla, Pulkovo Observatory, USSR
A.T. Kalloghlian, Byurakan Astrophysical Observatory (BAO), USSR
I.D. Karachentsev, Byurakan Astrophysical Observatory (BAO), USSR
N.S. Kardashev, GAISH, Moscow, USSR
K.I. Kellerman, Green Bank, USA
E.Y. Khachikian, Byurakan Astrophysical Observatory (BAO), USSR
J. Lequeux, Meudon Observatory, France
C.R. Lynds, Kitt Peak Observatory, USA
P. Maltby, Theor. Astroph., Norway
V.H. Malumian, Byurakan Astrophysical Observatory (BAO), USSR
B.E. Markarian, Byurakan Astrophysical Observatory (BAO), USSR
T.K. Menon, Green Bank, USA
R.L. Minkowski, University of California, USA
L.V. Mirzoyan, Byurakan Astrophysical Observatory (BAO), USSR
R.G. Mnatsakanian, Byurakan Astrophysical Observatory (BAO), USSR
A.T. Moffet, CalTech, USA
G. Munch, Mt. Wilson & Palomar Observatories, USA
V.B. Nikonov, Crimea Astrophysical Observatory (CrAO), USSR
I.D. Novikov, Applied Mathematics Div., USSR
J.B. Oke, Mt. Wilson & Palomar Observatories, USA
J.H. Oort, Leiden Observatory, Holland
Y.N Pariysky, Pulkovo Observatory, USSR
P. Pishmish, Nat. Astron. Observatory, Mexico
V.I. Pronik, Crimea Astrophysical Observatory (CrAO), USSR
G. Richter, H. Hertz Institute, DDR
N. Richter, Schwarzschild Observatory, DDR
L. Rosino, Asiago Observatory, Italy
G.S. Sahakian, Byurakan Astrophysical Observatory (BAO), USSR
K.A. Sahakian, Byurakan Astrophysical Observatory (BAO), USSR
V.A. Sanamian, Byurakan Astrophysical Observatory (BAO), USSR
M. Schmidt, Mt. Wilson & Palomar Observatories, USA
Z.F. Seidov, Shemakha Observatory, USSR
J.L. Sersic, Cordoba University, Argentina
A.B. Severny, Crimean Astrophysical Observatory (CrAO), USSR
R.K. Shahbazian, Byurakan Astrophysical Observatory (BAO), USSR
J.R. Shakeshaft, Mullard Observatory, UK
I.S. Shklovski, GAISH, Moscow, USSR
H.G. Smith, McDonald Observatory, USA
V.V. Sobolev, Leningrad State University (LSU), USSR
H.M. Tovmassian, Byurakan Astrophysical Observatory (BAO), USSR
P. Veron, Meudon Observatory, France
B.A. Vorontsov-Velyaminov, GAISH, Moscow, USSR
M.F. Walker, Lick Observatory, USA
A. Wallis, H. Hertz Institute, DDR
Y.B. Zeldovich, Applied Mathematics Div., USSR
F. Zwicky, Mt. Wilson & Palomar Observatories, USA