Prof., DSc Alexander M. Krot has been elected as a Head of the LSSM in 1993. All the period of its activity the LSSM had about 7 researchers. Now the LSSM has 6 persons including 3 scientists with PhD degree: leading research worker H.B. Minervina, senior research worker V.F. Dailyudenko, research worker V.M. Demko.