Igor Ivanovich (or Ihor Ivanovych) Sikorsky (25 May, 1889 - 26 October, 1972) was a pioneer of aviation who designed the first four-engine fixed-wing aircraft and the first successful helicopter of the most common configuration (single main rotor tail rotor). Wikipedia
The legacy of Igor Sikorsky still leads the helicopter industry, and the Winged-S emblem still signifies the world's most advanced rotorcraft. www.sikorsky.com/details/0,3036,CLI1_DIV69_ETI683,00.html
The definitive Wikipedia entry for Igor Sikorsky. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Igor_Sikorsky
Igor Sikorsky Born: Kiev, Russia; May 25, 1889 Died: Easton; October 26, 1972 Entry by Herbert F. Janick Immigrants have left an indelible mark on Connecticut history. www.ctheritage.org/encyclopedia/ctsince1929/sikorsky.htm
Igor Ivanovich Sikorsky , aviation pioneer and father of the modern helicopter, was born in Kiev , Russia in 1889 and is proof that great advances are often the perseverance of a single, very stubborn person. His mother was a doctor and his father a psyc www.everything2.com/index.pl?node_id=177175
The achievements of EB Igor I. Sikorsky are so extensive in the field of aviation that is is difficult to single out any one as most important to his career. Yet, at the same time, you instinctively connect him most solidly with the helicopter field, and www.earlyaviators.com/esikorsk.htm