Jim is one of the world’s top authorities on lighting design and applied illuminating engineering. He invented the BUG system that directly affects dark skies. Jim tells us how many birds are killed by the Twin Towers light columns and how vertical light is better than horizontal light. Listen to what happened when Jim joined the board of IES, or when WELL inspectors asked him to close the blinds, or what happened when a cheap metal halide bulb exploded. Don’t mess around with Jim!