Antonio Delgado Huertas Laboratorio de Biogeoquímica de Isótopos Estables, Instituto Andaluz de Ciencias de la Tierra (CSIC-Univ. Granada), Armilla, Granada, Spain Investigador Científico, staff scientist in the Spanish Scientific Research Council (CSIC) Born in 1963, Albolote, Granada, Spain. PhD in Geology by University of Granada (UGR), Febrero 1994. Delgado is a Postdoc at the Stable Isotope Laboratory (University of Trieste, Italy) (1994-2006). After moving to La Estación Experimental del Zaidín (CSIC), Granada, in 1996, with temporary contracts (research staff), he was appointed as a Research Scientifst by CSIC in 2000. He has participated in 35 research projects (11 as principal investigador), 250 papers, books, book chapters, and short notes published to date, of which more of 100 in journals included in the Journal Citation Reports (JCR) of the ISI. His main research interest incluyes the stable isotope biogeochemistry (13C/12C, 18O/16O, D/H, 15N/14N and 34S/32S) with special emphasis on a multidisciplinary approach of the interactions between the atmosphere, hydrosphere, biosphere and geosphere.