Mark Donohue is a Professor at Monash University, in Melbourne. His published work includes articles in Language, Studies in Language, Australian Journal of Linguistics, and Oceanic Linguistics, and four books.
Søren Wichmann is a Postdoctoral Fellow at the Max Planck Institute for Evolutionary Anthropology, Leipzig, and an Assistant Professor of Native American Languages and Cultures at Leiden University. His published work includes The Relationship among the Mixe-Zoquean Languages of Mexico (University of Utah Press 1995) and articles in Journal of Linguistics, International Journal of American Linguistics, and Annual Review of Anthropology.