Igor Sikorsky was born on May 25, 1889.
It was the V300.
Igor Tamm was born on July 8, 1895.
Igor Kurchatov was born on January 12, 1903.
Igor Vyazmikin was born on January 8, 1966.
Igor Malkov was born on February 9, 1965.
Igor Moiseyev was born on January 21, 1906.
Igor Oistrakh was born on April 27, 1931.
Igor Olshansky was born on May 3, 1982.
Igor Svyatoslavich was born on April 3, 1151.
Igor Astarloa was born on March 29, 1976.
Igor Akinfeev was born on April 8, 1986.
Igor Shafarevich was born on June 3, 1923.