Nancy Haegel

Nancy Haegel is an American electrical engineer, materials scientist, and solar power researcher, known for her work on semiconductors and large-scale photovoltaic energy systems. Other topics in her research include imaging electronic processes and detecting nuclear radiation. Formerly a distinguished professor of physics at the Naval Postgraduate School, she is the director of the Materials Science Center in the National Renewable Energy Laboratory, and a director of the Research Corporation. Provided by Wikipedia