Search Only Images Download this image Portrait of Igor Ivan Sikorsky No info available for book source. Image ID: SIL-SIL14-s004-05 Supplied Caption: Portrait of Igor Ivan Sikorsky. Photograph. Autograph note, signed, to Mr. Arnold Brein (?), July 22, 1963. Original Caption: Autograph note, signed, to Mr. Arnold Brein (?), July 22, 1963. Tags: Aeronautics, Sikorsky, Igor Ivan (1889-1972) Categories: Science Collection(s): Scientific Identity No Copyright - United States Request copy of image How can I use this image?