Cady, Lawrence P; Brack, André; Bueno Prieto, Jorge E; Cockell, Charles; Horneck, Gerda; Kasting, James F; Lineweaver, Charles H; Raulin, François; Schopf, J William; Sleep, Norman; von Bloh, Werner; Westall, Frances; Deamer, David; Lehman, Niles; Pérez-Mercader, Juan.