Issued by University of Pretoria 14 Feb 2023
Mark Maslin 7 Dec 2022
Fabio Teixeira 25 Jun 2021
Issued by North-West University (NWU) 17 Feb 2021
Amy Pieterse, Issued by Ginkgo Agency 20 Feb 2020
Duncan MacFadyen 6 Sep 2019
John Harrington 31 Aug 2018
Cari Coetzee 15 May 2017
Rachel Wynberg 30 Nov 2016
Elwyn Grainger-Jones 16 Nov 2016
Chidi Oguamanam 5 May 2016