Edelman, Julia Schlam (southeast Health Center) (2) Johns, Adrian (2) Schmidt, Justin O. (southwestern Biological Institute) (2) Fedonkin, Mikhail A. (head, Gehling, James G. (senior Curator, Grey, Kathleen, Narbonne, Guy M. (queen's University) (1) Chatterjee, Sankar (paul Whitfield Horn Professor Of Geology (1)