Prof. Shchegolev is a graduate of Saint-Petersburg State Polytechnical University, pursuivant of scientific and design school traditions after Prof. Voznesenskiy and Prof.Kovalev, a prominent designer of hydroturbines. His birth centenary is at the 15th of August 2015. Under his leadership hydroturbines for more than 50 hydro power plants in Russia and worldwide were designed. Creation of the world standard hydroturbines provided the high scientific level of designing. Worldwide level of hydroturbines was based on deep scientific background of designing. A number of solutions in design and technology of hydroturbines was actually invented and used in global practice.