Vale, Peter Christopher Julius2020-07-252020-07-252020-05Vale P. Maarten de Wit 1947–2020: An appreciation. South African Journal of Science 2020;116(5/6), Art. #8211, 1 page. https://doi.org/10.17159/sajs.2020/8211.0038-2353 (print)1996-7489 (online)10.17159/sajs.2020/8211http://hdl.handle.net/2263/75440No abstract available.en© 2020. The Author(s). Published under a Creative Commons Attribution Licence.De Wit, Maarten, 1947–2020GeologistArticle