Image: https://cdn.whensthebirthday.com/gallery/2017/1/igor-sikorsky/igor-sikorsky-igor-sikorsky-nacio-el-25-de-mayo-de-1889-en-kiev-ucrania.jpg
Igor Sikorsky
professions.scientist de Rusia
Image: https://cdn.whensthebirthday.com/gallery/2017/1/igor-sikorsky/igor-sikorsky-igor-sikorsky-nacio-el-25-de-mayo-de-1889-en-kiev-ucrania.jpg
professions.scientist de Rusia