New Grove (Joubert, John (Pierre Herman); b. Mar. 20, 1927, Cape Town; British composer of South African origin)
Guardian WWW site, viewed Jan. 16, 2019 (John Joubert; John Pierre Herman Joubert; b. Mar. 20, 1927, Cape Town; d. Jan. 7, 2019; prolific British-South African composer, best known for his choral works, particularly his carols; in 1950 he graduated with a BMus from Durham University, started lecturing at Hull, and had his First String Quartet published by Novello, which remained his principal publishers; in 1962 he moved to Birmingham University as a senior lecturer, later reader, in music, retiring in 1986 to devote himself to composition)