Igor Bolgarin's birth name is Bolgarin, Igor Yakovlevich.
Igor Bolgarin was born on June 28, 1929, in Donuzlav, Crimea province, Soviet Union [now Ukraine].
Igor Bakhmetyev's birth name is Krauklis, Igor Aleksandrovich.
Igor Dega's birth name is Igor Navrotsky.
Igor Cobileanski's birth name is Igor Cobileanski.
Igor Kalyonov's birth name is Kalyonov, Igor Yevgenyevich.
Igor Matvienko's birth name is Igor Igorevich Matvienko.
Igor Poklad's birth name is Igor Dmitrievich Poklad.
Igor Makarov's birth name is Igor Arkadevich Makarov.
Igor Kovalyov's birth name is Igor Adolfovich Kovalyov.
Igor Kurchatov's birth name is Kurchatov, Igor Vasilyevich.
Igor Kvasha's birth name is Kvasha, Igor Vladimirovich.
Igor Larionov's birth name is Igor Nikolayevich Larionov.