Commemoration of the 90th anniversary of the birth of Andrei Dmitrievich Sakharov (Scientific session of the Physical Sciences Division, Russian Academy of Sciences, 25 May 2011)

On 25 May 2011, the scientific session of the Physical Sciences Division of the Russian Academy of Sciences (RAS), devoted to the 90th anniversary of Andrei Dmitrievich Sakharov's birthday, was held at the conference hall of the Lebedev Physical Institute, RAS.
The agenda of the session announced on the website www.gpad.ac.ru of the PSD RAS contains the following reports:

(1) Mesyats G A (Lebedev Physical Institute, RAS, Moscow) “Introduction. Greetings”;

(2) Ritus V I (Lebedev Physical Institute, RAS, Moscow) “A D Sakharov: personality and fate”;

(3) Altshuler B L (Lebedev Physical Institute, RAS, Moscow) “Scientific and public legacy of A D Sakharov today”;

(4) Ilkaev R I (Russian Federal Nuclear Center ‘All-Russian Research Institute of Experimental Physics’, Sarov, Nizhny Novgorod region) “The path of a genius: Sakharov at KB-11”;

(5) Novikov I D (Astrocosmic Center, Lebedev Physical Institute, RAS, Moscow) “Wormholes and the multielement Universe”;

(6) Azizov E A (National Research Centre ‘Kurchatov Institute’, Moscow) “Tokamaks: 60 years later”;

(7) Kardashev N S (Astrocosmic Center, Lebedev Physical Institute, RAS, Moscow) “Cosmic interferometers”;

(8) Lukash V I (Lebedev Physical Institute, RAS, Moscow) “From the cosmological model to the Hubble flux formation”;

(9) Grishchuk L P (Shternberg State Astronomical Institute, Lomonosov Moscow State University, Moscow; School of Physics and Astronomy, Cardiff University, Cardiff, United Kingdom) “Cosmological Sakharov oscillations and quantum mechanics of the early Universe”.

Articles based on reports 2–4, 6, 8, and 9 are published below. The content of report 5 is close to papers “Multicomponent Universe and astrophysics of wormholes” by I D Novikov, N S Kardashev, A A Shatskii [Phys. Usp. 50 965 (2007)] and “Dynamic model of a wormhole and the Multiuniverse model” by A A Shatskii, I D Novikov, N S Kardashev [Phys. Usp. 51 457 (2008)]. The content of report 7 is close to the paper “Radioastron — a radio telescope much larger than the Earth: scientific program” by N S Kardashev [Phys. Usp. 52 1127 (2009)].