Which Australian politician died the year after Sir Reginald William Colin Swartz became known as the Minister for Civil Aviation?
Reginald Swartz:  In particular, he is best known as the Minister for Civil Aviation between 1966 and 1969. 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. Harold Holt:  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.
Harold Edward Holt