L7L 
Name: Institute of Physics and Mathematics 
(Institut fiziki i matematiki) 
Address: Minsk, prospekt imeni Stalina, 108 (1956) 
Director: B. I. Stepanov, Academician (Belorussian S.S.R.) (1956) 
Deputy Director: -- 
Administrative Affiliation: Academy of Sciences, Belorussian S.S.R. 
Selected Staff Members: 
P. A. Apanasevich 
F. I. Fedorov, Corresponding Academician (Belorussian S.S.R.), 
Head of Laboratory of Theoretical Physics 
I. V. Lebedev, Head of Computer Laboratory 
A. N. Sevehenko, Academician (Belorussian S.S.R.) 
D. A. Suprunenko, Corresponding Academician (Belorussian S.S.R.) 
M. A. Yel"yashevich, Academician (Belorussian S.S.R.) 
Description: 
This institute is engaged in research in molecular spectroscopy, 
luminescence, and radiospectroscopy, and is considered to be among the most 
advanced institutes in the U.S.S.R. in these fields. The staff has designed 
a new electronic computer, the LUCH, to be used in calculating lenses for 
optical instruments. The Institute also conducts research on optics, 
photochemistry, and electromagnetic fields. It publishes a Trudy irregularly. 
472 
Name: Institute of Physics and Mathematics 
(Institut fiziki i matematiki) 
Address: Vil'nyus 
Director: A. P. Yutsis, Academician (Lithuanian S.S.R.) (1961) 
Deputy Director: -- 
Administrative Affiliation: Academy of Sciences, Lithuanian S.S.R. (1961) 
Selected Staff Members: 
P. P. Brazdzhyunas, Academician (Lithuanian S.S.R.) 
V. Lazauskas, Engineer 
Yu. Pozhela 
V. Tolutis, Candidate 
