Nicolaas Jacobus de Wet

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The Right Honourable
Nicolaas Jacobus de Wet
Nicolaas de Wet.jpg
Officer Administering the Government of South Africa
In office
17 July 1943 – 1 January 1946
Monarch George VI
Prime Minister Jan Smuts
Preceded by The Rt Hon. Sir Patrick Duncan
Succeeded by The Rt Hon. Gideon Brand van Zyl
Chief Justice of South Africa
In office

Nicolaas Jacobus de Wet, PC, KC (11 Sep 1873–16 Mar 1960) was a South African politician, lawyer, and judge who was Chief Justice of South Africa and acting Governor-General from 1943 to 1945.


Born on September 11, 1873, de Wet obtained a law degree from the University of Cambridge in 1895 and was admitted as an advocate (the South African equivalent of a barrister) in 1896.[1] During the Anglo-Boer War (1899–1902), he was military secretary to General Louis Botha, commandant-general of the Transvaal forces, and acted as an interpreter at the peace conference that ended the war in 1902.

After the war, de Wet joined Botha in politics, and was a member of the Transvaal legislative assembly from 1907 to 1910. He was a legal adviser to the Transvaal delegation to the 1908-1909 National Convention that drew up the Constitution for the Union of South Africa. In 1913, he was appointed a King's Counsel. He was also a founder member of the Suid-Afrikaanse Akademie vir Wetenskap en Kuns (the "South African Academy for Science and Art") in 1909.

De Wet was a member of the Union Parliament between 1913 and 1929, serving as a member of the House of Assembly from 1913 to 1920 and a Senator from 1920 to 1929. He served in the South African Party government as Minister of Justice from 1913 to 1924. As such, he had to deal with the legal aspects of an armed Afrikaner uprising against the government in 1914, and the 1922 Rand Revolt.

De Wet was appointed a judge of the Supreme Court in 1932, a judge of the Appeal Court in 1937, and Chief Justice in 1939. As Chief Justice, he was required ex officio to act as Officer Administering the Government, in the absence of the Governor-General, which he did for two and a half years, from the death of Sir Patrick Duncan in 1943 and the appointment of Gideon Brand van Zyl in 1945. He was appointed a member of the Privy Council of the United Kingdom in 1939.

De Wet was married twice. His first wife was Ella Scheepers, who is reputed to have composed the popular Afrikaans song Sarie Marais during the Anglo-Boer War. His second wife was Jakomina du Toit. He died in 1960. His son by his first marriage, Dr. Quartus de Wet, was also a judge, and presided over the 1963 Rivonia Treason Trial of Nelson Mandela and other anti-apartheid activists.


  1. ^ "De Wet, Nicholas Jacobus (D893NJ)". A Cambridge Alumni Database. University of Cambridge. 
  • Dictionary of South African Biography Volume IV
Preceded by
Sir Patrick Duncan
Governor-General of South Africa
Succeeded by
Gideon Brand van Zyl