Nadarajah Narendran, PhD, is a professor of Architecture and Physics at Rensselaer Polytechnic Institute in Troy, New York, USA. Dr. Narendran serves as the director of research at Rensselaer's Lighting Research Center. His current research focuses on solid-state lighting and additive manufacturing of lighting systems. Some of his key areas of research include semiconductor component and system reliability assessment, accelerated life test method development, and characterization of optical, electrical, and thermo-mechanical properties of 3D-printed components. Dr. Narendran has authored more than 130 articles in archival journals and proceedings and holds over 50 worldwide patents. He is a Fellow of SPIE (The International Society for Optics and Photonics) and of the Illuminating Engineering Society. He served on the committee assessing solid-state lighting for the National Research Council of the National Academies. He is the recipient of Rensselaer’s William H. Wiley Distinguished Faculty Award in 2012, which honors those who have won the respect of the faculty through excellence in teaching, productive research, and interest in the totality of the educational process.