Dr Lenine Liebenberg, immunologist at Stellenbosch University - Centre for Epidemic Response and Innovation (CERI)

Dumisani Zwane is the game capture manager at Ezemvelo KZN Wildlife Hluhluwe-iMfolozi Park (HIP). He leads a team that captures and transports animals as large and small - rhinos, elephants, giraffes, impala - to help insure that the populations in the parks are healthy and strong. His team has led an impressive rhino dehorning programme that is already showing results in reducing rhino poaching.

Dr Tana Joseph, aka Astrana, is an astrophysicist from South Africa. Her research has focused on X-ray binary star systems.