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 VS-44 Sikorsky VS-44 The Sikorsky VS-44 was a large four-engined flying boat built in the United States in the early 1940s by Sikorsky Aircraft. The VS-44 was designed primarily for the transatlantic passenger market, with a capacity of 40+ passengers. Three units were produced: "Excalibur", "Excambian", and "Exeter". In the early 1930s, the primary mode of long-distance air travel over oceans was in flying boats, due to the ease of constructing docking facilities on shore without having to construct runways, and the possibility of malfunction forcing a sea landing. One flying boat designer was Russian immigrant Igor Sikorsky who had founded