Corresponding Author

Department of Anthropology, University of Wisconsin-Madison, Madison, Wisconsin, USA

Centre for the Exploration of the Deep Human Journey, University of the Witwatersrand, Johannesburg, South Africa

Correspondence

John Hawks, Centre for the Exploration of the Deep Human Journey, University of the Witwatersrand, Johannesburg, South Africa.

Email: jhawks@wisc.edu

Contribution: Conceptualization (equal), ​Investigation (equal), Writing - original draft (equal), Writing - review & editing (equal)