Background
He was the son of general J. B. M. Hertzog, a founder of the National Party and prime minister of the Union of South Africa.
He was the son of general J. B. M. Hertzog, a founder of the National Party and prime minister of the Union of South Africa.
He was educated at Grey College, in Bloemfontein, his town of birth, and studied at the University of Stellenbosch, Oxford University, the University of Leiden and the University of Amsterdam.
He also served as the South African Minister of Health from 24 August 1954 to 24 August 1958 and as the Minister of Post and Telecommunications from 24 August 1958 to 7 February 1968. was elected to parliament in the election of 1948, when the National Party defeated the United Party, and in 1958 was appointed as the Minister of Post of Telecommunications, and later Minister of Health. As Minister of Post and Telecommunication, was responsible for the delayed introduction of television to South Africa, dismissing it as a "miniature bioscope over which parents would have no control". He also argued that South Africa would have to import films from abroad that portrayed miscegenation and which would cause non-whites to become "dissatisfied with their lot".
The radio tower in the Johannesburg suburb of Brixton was constructed in 1962 and named after.
The tower was renamed the Brixton Tower after his resignation from the National Party, and was later again renamed the Sentech Tower. During the mandate debut of prime minister of John Vorster, the party was torn between the verkramptes, wanting to enforce strict segregation in all areas, and the verligtes who favoured minor reforms, in particular permitting Maori players and spectators in the 1970 All Black rugby tour of the South Africa, and the admission of a black diplomat from Malawi.
Four verkrampte members of parliament split from National Party and formed the Herstigte Nasionale Party in on 24 and 25 October 1969, with Hertzog elected as the first leader.