About the Authors
- John R. Horner
- Museum of the Rockies, Montana State University, Bozeman, Montana, United States of America
- Mark B. Goodwin
- Museum of Paleontology, University of California, Berkeley, California, United States of America
- Nathan Myhrvold
- Intellectual Ventures, Bellevue, Washington, United States of America
Nathan Myhrvold contributed financially to the Hell Creek Project and intellectually to the design of the study.
Conceived and designed the experiments: JH NM. Performed the experiments: JH MG. Analyzed the data: JH MG. Contributed reagents/materials/analysis tools: JH MG. Wrote the paper: JH MG.