Dr. Partha D. Dutta is the Principal Scientist at United Semiconductors LLC, Los Alamitos, California, and Professor Emeritus at Rensselaer Polytechnic Institute. His research interests are in the areas of crystal growth semiconductors, optoelectronics, nanotechnology, solid-state lighting, and renewable solar energy. Dr. Dutta is also a technologist and entrepreneur with vast experience in laboratory-to-market ventures.