1. Ukrainian Lighting Commitey, O.M. Beketov National University of Urban Economy in Kharkiv,President of Ukrainian Lighting Commitey,Profesor of Department of Lighting Engineering and Light Sources,Kharkiv,Ukraine
2. O.M. Beketov National University of Urban Economy in Kharkiv,Department of Lighting Engineering and Light Sources,Kharkiv,Ukraine
3. Ukrainian Pedagogic Academy,Kharkiv,Ukraine