He has been actively involved in the construction industry for over 30 years and has a wide experience of many types of construction work. He spent many years working for main contractors, undertaking both surveying and management roles, and during that time he administered and settled a multitude of sub-contract accounts on a variety of different contracts.

Tim Forssman was born in Johannesburg in 1986. He began cultivating a passion for prehistory and nature at school. Having completed an archaeology degree at the University of the Witwatersrand, he is now studying his PhD at the University of Oxford in England. He is currently researching ancient Bushmen who once lived in the remote parts of eastern Botswana. His research interests include the Iron Age, experimental archaeology, the Stone Age and rock art.

Alex Schoeman is a senior lecturer in Archaeology at the University of the Witwatersrand.

Amanda Esterhuysen is Associate Professor in the School of Geography, Archaeology and Environmental Studies at the University of the Witwatersrand, Johannesburg.