Herv Martin is Professor at the Laboratoire Magmas et Volcans at the Universit Blaise Pascal in Clermont-Ferrand. He has been in charge of several international research programs on the geochemistry and geodynamic processes on early Earth.
Muriel Gargaud is an astrophysicist at the University of Bordeaux and at the CNRS. She is an experience editor and author in the field of astrobiology. Purificación López-GarcÃa is a biologist and research director at the CNRS. Hervé Martin is a geologist and teaches at the University of Clermond-Ferrand. Thierry Montmerle is professor at the Institut d'Astrophysique de Paris. Robert Pascal is a chemist at the CNRS and at the University of Montpellier.