2017 NSF Fellow Felix Santiago-Collazo. (IMAGE) U.S. National Science Foundation Caption 2017 NSF Fellow Felix Santiago-Collazo became fascinated by hydrologic modeling when he took a water resources class at the University of Puerto Rico Mayaguez. Credit Walter Silva Araya, UPRM Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.