Jeffrey Jerone Cohen is Dean of Humanities at Arizona State University, USA, and co-president of the Association for the Study of Literature and the Environment. He is the author or editor of 13 books, including Stone: An Ecology of the Inhuman (which received the 2017 René Wellek Prize for best book in comparative literature).
Linda T. Elkins-Tanton is a planetary scientist and the Principal Investigator of the NASA Psyche mission. She is the Director of the Space Sciences Laboratory at the University of California, Berkeley, USA. Previously, she was Vice President at Arizona State University, Director of the Department of Terrestrial Magnetism at the Carnegie Institution for Science, and faculty at MIT. She is the author of a six-book series The Solar System (1st edition 2006; 2nd edition 2010) and co-editor, with A. Schmidt and K. Fristad, of Volcanism and Global Environmental Change (2015). Her articles have been published in Philosophical Transactions of the Royal Society, Nature Geoscience, Nature, Annual Review of Earth and Planetary Sciences, and Astrophysical Journal, among other publications.