Lodewicus Johannes du Plessis (1897-1968) was a South African academic, alternative Afrikaner political philosopher, and Calvinist.
[1] He was the son of Jacobus Albertus du Plessis and Laurika Postma.
He married Engela Susanna van der Merwe on 12 January, 1926.
[4] In 1918, he started as a senior lecturer in Classical languages at The Theological Seminar of the Reformed Church (Afrikaans: Gereformeerde Kerke in Suid-Afrika) in Potchefstroom.
He was secretary to the commission who translated the Bible in Afrikaans and was an advisor to Totius.