Gary Gordon of Gary Gordon Architectural Lighting, a New York City–based architectural lighting company. He has taught at the Lighting Institute at Parsons School of Design and established the first national certification program for lighting pros during his three terms as president of the National Council on Qualifications for the Lighting Professions. He is author of Interior Lighting for Designers, now in its fifth edition. GaryGordon.com
One common lighting mistake is not having any shimmering lights. They make people feel good. Others include too much overhead light, not enough shadow.