Lisa Heschong is an architect and founding principal of the Heschong Mahone Group (HMG), a building sciences consulting firm, where she led ground-breaking research showing a relationship between daylight and student test scores, retail sales, and office worker performance. Heschong is the author of the now classic Thermal Delight in Architecture, along with many technical publications about daylighting and energy efficiency in buildings. A graduate of UC Berkeley and MIT, she has been honored by Phi Beta Kappa, the AIA School Medal, as a Fellow of the Illuminating Engineering Society (IES), and the Haecker Award for Architectural Research. Heschong lives in Santa Cruz, California, with her husband, two horses and a sailboat, where she never tires of watching the changing colors of the surrounding ocean and sky.