Leonid Dvorkin DSc (1983), Full Professor since 1985. Head of Constructing Products Technology and Material Science Department, National University of Water and Environmental Engineering, Ukraine. Published more than 40 monographs and textbooks on actual problems in technology of binders, concrete and other constructing material. Published many scientific papers and presented research reports at national and international conferences.Marchuk V. is a Candidate of Technical Sciences, Associate Professor of the Department of Construction Products Technology and Materials Science of the National University of Water and Environmental Engineering (Ukraine), author of many scientific works devoted to current problems of concrete technology.