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-5 during a country fair at Belaya Tzerkov, near Kiev. Between nine and ten flying hours were logged before the S-5 was lost in late fall. The crash was caused by fuel starvation due to debris (a mosquito) blocking the carburetor jet. Sikorsky S-5 The Sikorsky S-5 was an early Russian single seat biplane design by Igor Sikorsky, completed in late April 1911. The S-5 was powered by a Argus water-cooled engine turning a propeller Sikorsky designed and built himself. The fabric covering the wooden wings was tightened with pure alcohol and glue mixed with boiling water while the fuselage structure