Igor Sikorsky Kyiv Polytechnic Institute number of prominent people worked and studied at the KPI: E.O.Paton, the inventor of electric welding; M. I. Konovalov, a well-known chemist; I. P. Bardin, Ukraine's greatest metallurgist; A. M. Lyulka, USSR's premier designer of jet engines; rocket scientist Sergey Korolyov; creator of Sikorsky Helicopters, the well-known inventor Igor Sikorsky, well-known scientist in the field of fuel combustion and protection of the atmosphere from industrial pollution Isaak Sigal; Boris Yakovlevich Bukreev, a prominent mathematician known for his works in complex functions, differential equations, and non-Euclidean geometry. President of the First Exam Board in chemistry faculty was Dmitri Mendeleev. Also must
Sikorsky S-3 early in December. The S-3 made its last flight on December 13, 1910 when at an altitude of 90 feet the engines distributor shifted to a retarded position and lost power. The aircraft landed hard on a frozen pond, broke through the ice and sank causing serious damage. The S-3 was salvaged and some parts including the engine were used in the construction of the S-4. Sikorsky S-3 The Sikorsky S-3 was an early Russian single seat biplane design by Igor Sikorsky. Work on the machine started in July 1910 and was completed in late November. The S-3 was a