Ivan Fedorovich Ladyga was a Soviet-Ukrainen colonel of artillery. He was a Candidate of Military Sciences, a professor, and a corresponding member of the Russian Military Sciences Academy. He was given the award of Honoured Worker of Higher Education of the Russian Federation, and a veteran of World War II Ladyga was one of the authors of the Soviet doctrine for using Strategic Missile Troops in combat. Born in 1920 in the village Manuylivka, USSR.

The Medal "For the Capture of Budapest" was a World War II campaign medal of the Soviet Union established on 9 June 1945 by decree of the Presidium of the Supreme Soviet of the USSR to satisfy the petition of the People's Commissariat for Defense of the Soviet Union to recognise and reward the participants of the battle for the capture of the city of Budapest from the armed forces of Nazi Germany. The medal's statute was amended on 18 July 1980 by decree of the Presidium of the Supreme Soviet of the USSR № 2523-X.