Norbert Lechner, Prof. Emeritus, Architect and LEED AP is an expert in energy responsive architectural design with an emphasis on solar responsive design including daylighting. His book, Heating, Cooling, Lighting: Sustainable Design Methods for Architects, 4th ed., © 2015 is used in architecture schools all over the world, and it is also popular with professionals. He has also written the book, Plumbing, Electricity, Acoustics: Sustainable Design Methods for Architecture, © 2012, as well as many papers, articles, and chapters in edited books.

He is the inventor of new types of heliodons that are used all over the world (www.heliodons.org).