About the Authors
- Lee R. Berger, Bonita De Klerk
- Institute for Human Origins and the Bernard Price Institute for Palaeontology, School of GeoSciences, University of the Witwatersrand, Johannesburg, South Africa
- Steven E. Churchill
- Department of Biological Anthropology and Anatomy, Duke University, Durham, North Carolina, United States of America
- Rhonda L. Quinn
- Department of Earth and Planetary Sciences, Rutgers University, Piscataway, New Jersey, United States of America
The authors have declared that no competing interests exist.
Conceived and designed the experiments: LB. Performed the experiments: LB. Analyzed the data: LB SC RQ. Wrote the paper: LB. Other: Assisted in excavation: BD RQ SC. Contributed to analysis and data collection: BD. Drew maps: RQ. Principle Investigator: LB.