Igor Usov's birth name is Usov, Igor Vladimirovich.
Igor Usov died on June 2, 1990.
Igor Usov was born on January 25, 1928, in Oryol, Russian SFSR, USSR [now Russia].
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 Stravinsky's birth name is Stravinsky, Igor Fyodorovich.
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.
Igor Lukovskiy's birth name is Lukovsky, Igor Vladimirovich.
Igor Sorin's birth name is Igor Vladimirovich Raiberg.