Braam van Wyk is emeritus professor of botany at the University of Pretoria. A leading expert on plant taxonomy, he has had an abiding interest in making botany accessible to the general public. He has authored more than 350 publications about southern African vegetation and flora, including several accessible botanical field guides such as Field Guide to the Wild Flowers of the Highveld (Struik, 1988), Field Guide to Trees of Southern Africa (Struik Nature, 2013), Guide to Trees Introduced into Southern Africa (Struik Nature, 2016) and How to Identify Trees in Southern Africa(Struik Nature, 2019). He is also the co-author of the mobile app eTrees of Southern Africa.