PERSONALIA : Yurii Moiseevich Kagan (on his 90th birthday). (9th October 2018) - Alferov, Zh I; Andreev, A F; Velikhov, E P; Koval'chuk, M V; Panchenko, V Ya; Pitaevskii, L P; Rumyantsev, A Yu; Sadovskii, M V; Sergeev, A M; Timofeev, V B; Shcherbakov, I A; Eliashberg, G M