Question: What Soviet politician served under the First Secretary of the Communist Party of the Soviet Union?

Context paragraphs:
Leonid Brezhnev: Leonid Ilyich Brezhnev ( ; (19 December 1906-10 November 1982) was a Soviet politician who led the Soviet Union from 1964 to 1982 as the General Secretary of the Central Committee (CC) of the Communist Party of the Soviet Union (CPSU) until his death and funeral in 1982.  His eighteen-year term as General Secretary was second only to that of Joseph Stalin in duration.  During Brezhnev's rule, the global influence of the Soviet Union grew dramatically, in part because of the expansion of the Soviet military during this time.  His tenure as leader was marked by the beginning of an era of economic and social stagnation in the Soviet Union.

Augusts Voss: Augusts Voss (Russian: Август Эдуардович Восс ; 30 October 1919 in Omsk Governorate – 10 February 1994 in Moscow) was a Soviet politician and party functionary of Latvian origin.  Before World War II he worked as a school teacher.  In 1940 he was mobilized into the Red Army and served as a politruk.  From 1945 he served as a party apparatchik in Latvia.  From 1966 till 1984 he was First Secretary (later: General Secretary) of the Communist Party of Latvia and member of the Central Committee of the Communist Party of the Soviet Union from 1971 till 1990.  From 1984 till 1989 he was Chairman of the Soviet of Nationalities (of the Supreme Soviet of the USSR).  Voss understood Latvian, but did not use it publicly.  He did not return to Latvia and died in Moscow in 1994, where he is also buried.

Anatoly Malofeyev: Anatoly Alexandrovich Malofeyev (Russian: Анатолий Александрович Малофеев , Belarusian: Анатоль Аляксандравіч Малафееў ; born 14 May 1933, Gomel) was a first secretary of the Byelorussian Soviet Socialist Republic during the Soviet Union era and Belarusian parliament speaker.  In March 1985, Malofeyev became the Minsk regional Communist Party leader upon the removal of Vladimir A. Mikulich.  He served as First Secretary of the Byelorussian Communist Party from November 1990 to August 1991.

Akaki Mgeladze: Akaki Mgeladze (Georgian: აკაკი მგელაძე ; Russian: Ака́кий Ива́нович Мгела́дзе ; 1910–1980) was a Soviet politician.  He served as First Secretary of the Georgian Communist Party from 1952 to 1953, and before that was First Secretary of the Abkhazian Communist Party from 1943 until 1951, as well as previously leading both the Georgian and Abkhazian Komsomol and Gruzneft.

Communist Party of Azerbaijan (2011): The Communist Party of Azerbaijan is a communist party that was founded on 31 October 2011 by the merger of the Azerbaijan Communist Party (on Platform of Marxism–Leninism) (ACP-PM-L) and the Communist Party of Azerbaijan headed by Alasgar Khalilov.  At the unification congress Telman Nurullayev, the former head of the (AKP-PML), was elected the party's First Secretary and was also elected to the Politburo.  Representatives from fraternal communist parties, such as the Socialist Party of Latvia and the Communist Party of the Soviet Union, were presented at the congress.

Nikolai Bulganin: Nikolai Alexandrovich Bulganin (30 May 1895 – 24 February 1975)) was a Soviet politician who served as Minister of Defense (1953–1955) and Premier of the Soviet Union (1955–1958) under Nikita Khrushchev, following service in the Red Army and as defense minister under Joseph Stalin.

Nikolai Gikalo: Nikolay Fyodorovich Gikalo (Russian: Николай Фёдорович Гикало ; born March 8, 1897, Odessa, Kherson Governorate – April 25, 1938) was a Soviet revolutionary and statesman.  From 1915 he served in the Russian Imperial Army, in 1917 he joined the Russian Social Democratic Labour Party (Bolsheviks).  He commanded the Red Army in the fight against the White Army in the Northern Caucasus.  He was first secretary of the Azerbaijan Communist Party from 1929 to August 1930, first secretary of the Communist Party of the Uzbek SSR from April 1929 to June 11, 1929 and first secretary of the Communist Party of the Belorussian SSR from January 18, 1932, to March 18, 1937.  During the Great Purge, Gikalo was arrested, accused of plotting against the Soviet state, sentenced to death and executed on April 25, 1938.  He was exonerated posthumously in 1955.

Communist Party of the Soviet Union (1992): The Communist Party of the Soviet Union (Russian: Коммунистическая Партия Советского Союза , "Kommunisticheskaya Partiya Sovetskogo Soyuza"; short: КПСС, "KPSS") is a political party led by Sergei Skvortsov, operating in the countries of the former Soviet Union.  The party was founded in 1992 at the so-called 29th Congress of the Communist Party of the Soviet Union, which, among other actions, excluded former President of the Soviet Union Mikhail Gorbachev from the newly formed party.  The party claims to be the inheritors of the legacy of the original Communist Party of the Soviet Union and among its goals states the restoration of the Soviet Union.

Gaioz Devdariani: Gaioz Devdariani (Georgian: გაიოზ დევდარიანი ) (February 2, 1901 – 1938) was a prominent Georgian revolutionary, Soviet politician, member of the Georgian National Academy of Sciences and a victim of the Great Purge of 1937.  Devdariani was born in the village of Kharagauli, Western Georgia into a large family.  In 1919, Devdariani was arrested by the Menshevik Government of Georgia for plotting and masterminding an insurrection against the democratically elected government.  He was imprisoned in Metekhi but managed to escape from the prison in 1920.  Between 1921 and 1923, Devdariani worked in various communist ministries of Georgian SSR.  From 1929 to 1931 Devdariani became the first Minister of Education of the Georgian SSR.  During the same year Devdariani became the honorable member of the Georgian National Academy of Sciences in the department of Economics.  After only a year as a Minister, he was promoted to the First Secretary of the Communist Party of the Georgian SSR.  However, soon after his appointment, Lavrentiy Beria (Communist Party Secretary of Transcaucasia) started agitations and provocations against Gaioz.

Nikita Khrushchev: Nikita Sergeyevich Khrushchev (15 April [O.S. 3 April] 1894  – 11 September 1971) was a Soviet politician who led the Soviet Union during part of the Cold War as the First Secretary of the Communist Party of the Soviet Union from 1953 to 1964, and as Chairman of the Council of Ministers, or Premier, from 1958 to 1964.  Khrushchev was responsible for the de-Stalinization of the Soviet Union, for backing the progress of the early Soviet space program, and for several relatively liberal reforms in areas of domestic policy.  Khrushchev's party colleagues removed him from power in 1964, replacing him with Leonid Brezhnev as First Secretary and Alexei Kosygin as Premier.

Supporting paragraphs: Nikolai Bulganin Nikita Khrushchev
Answer: Nikolai Alexandrovich Bulganin