Question: Which Australian politician died the year after Sir Reginald William Colin Swartz became known as the Minister for Civil Aviation?

Context paragraphs:
Abdulhakim Al-Tamimi: Abdulhakim Mohammed Sulaiman Al Tamimi,(Arabic: عبد الحكيم التميمي‎ ‎ ) is a Saudi politician.  Since 17 June 2017, he has been the President and Minister of the General Authority of Civil Aviation.  Prior to that, he served as Assistant Chairman of the Authority for Safety, Security and Air Transport at the General Authority of Civil Aviation and an Executive Member of the Council of the Arab Civil Aviation Authority.

Reg Groth: Reginald William (Reg) Groth (1 February 1914 – 20 March 1994) was an Australian politician who represented the South Australian House of Assembly seat of Salisbury from 1970 to 1979 for the Australian Labor Party.

Thomas White (Australian politician): Sir Thomas Walter White, {'1': ", '2': ", '3': ", '4': "} (26 April 1888 – 13 October 1957) was an Australian politician and First World War pilot.  He was one of the first airmen trained for the Australian Flying Corps in 1914, and among the first to see action when he deployed to the Middle East with the Mesopotamian Half Flight in 1915.  He was captured in November that year but escaped in July 1918.  Awarded the Distinguished Flying Cross and twice mentioned in despatches, White began his parliamentary career in 1929 when he was elected Member for Balaclava in Victoria.  He served as Minister for Trade and Customs in Joseph Lyons' United Australia Party government from 1932 to 1938, but resigned when he was excluded from Lyons' inner cabinet.  He joined the Royal Australian Air Force (RAAF) during the Second World War and saw service in Australia and the United Kingdom.  Returning to parliament as a member of the newly formed Liberal Party in 1945, he served as Minister for Air and Minister for Civil Aviation in Robert Menzies' government from 1949 to 1951.  His term coincided with the commitment of RAAF squadrons to the Korean War and the Malayan Emergency.  Australia's High Commissioner to the United Kingdom from 1951 to 1956, White was knighted in 1952 and died in October 1957.

Oakey Army Aviation Centre: Oakey Army Aviation Centre (IATA: OKY, ICAO: YBOK) is situated approximately 3 km from the town centre of Oakey in Queensland, Australia.  It provides a training establishment for Australian Army Aviation, and also hosts a Singapore Armed Forces Helicopter Squadron, namely the 126 Squadron.  The Defence name for the facility is Swartz Barracks, named for prominent politician, Army Aviation advocate, and ex-POW Sir Reginald Swartz KBE MBE.

Barbados Civil Aviation Department: The Barbados Civil Aviation Department (BCAD) is the civil aviation authority of Barbados.  It has its headquarters on the property of Sir Grantley Adams International Airport in Christ Church.  The department is headed by the Director of Civil Aviation, who is supported by one Technical Officer, five Inspectors, a Chief Aeronautical Information Service Officer, a Chief Air Traffic Control Officer and other support staff.  It is governed under the Civil Aviation Act of 2004.  The department was created to advise the Ministry of International Business and International Transport, who is responsible for the regulation and control of all aspects of civil aviation in Barbados.  BCAD cooperates with other regional authorities in the Caribbean under the bloc known as the Caribbean Aviation Safety and Security Oversight System (CASSOS)

Harold Holt: Harold Edward Holt, {'1': ", '2': ", '3': ", '4': "} ( ; 5 August 190817 December 1967), was an Australian politician and the 17th Prime Minister of Australia from 1966 to 1967.  He was born in Stanmore, New South Wales and won a scholarship to study law at the University of Melbourne.  Holt went into business as a solicitor, during which time he joined the United Australia Party (UAP).  In 1935, aged just 27, he was elected to parliament for Fawkner.  He held this seat until 1949, when he transferred to Higgins.  Holt spent 32 years in Parliament, including many years as a senior Cabinet Minister, but was Prime Minister for only 22 months before he disappeared in December 1967 while swimming at Cheviot Beach near Portsea, Victoria and was presumed drowned.

Reginald Skelton: Sir Reginald William Skelton {'1': ", '2': ", '3': ", '4': "} (3 June 1872 – 5 September 1956) was a British vice-admiral and engineer who served as chief engineer and official photographer of the 1901-1904 Discovery Expedition to Antarctica.

Agence Nationale de l'Aviation Civile du Togo: The Agence Nationale de l'Aviation Civile du Togo (ANAC-Togo, in English the National Agency of Civil Aviation of Togo) is the civil aviation authority of Togo.  Its head office is in Lomé.  The agency is under the supervision of the Minister of Civil Aviation but has managerial and financial autonomy.

Eva Swartz: Eva Birgitta Swartz Grimaldi, (born 15 April 1956) is a Swedish CEO within the field of culture and media.  On 28 June 2007, she was appointed as chairman for investigation into the future of the Swedish culture politics by the Swedish culture minister Lena Adelsohn Liljeroth.  Swartz became the CEO of the book publishers Natur & Kultur on 15 April 2005.  Before that she was programme director at TV4 and had a number of CEO roles within the television industry.  She was amongst other things the CEO of the production company Meter Film & Television.

Reginald Swartz: Sir Reginald William Colin Swartz KBE MBE (Mil.)  (14 April 1911 – 2 February 2006), best known as Reg Swartz, was an Australian Liberal Party politician who was Minister during the governments of Sir Robert Menzies, Harold Holt and John Gorton.  In particular, he is best known as the Minister for Civil Aviation between 1966 and 1969.

Supporting paragraphs: Reginald Swartz Harold Holt
Answer: Harold Edward Holt