Mstislav Keldysh, Member USSR Academy of Sciences. twice awarded a Stalin Prize, D Phys, Math, Vice Director of the USSR Academy of Sciences Steklov Institute of Mathmatics, Professor of the State University of Moscow. Researcher in hydroaerodynamics and the variable complex function theory. Authour of over 50 works on vibration and the dynamic stability of aeroplanes, aerodynamics, and applied and theoretical mathematics. December 1946 Supplied by; SCRSS - Society for Cooperation in Russian And Soviet Studies