George C. Izenour Dies at 94

Lighting&Sound America Online - News: "Izenour was professor emeritus of theatre design and technology and director emeritus of the electro-mechanical laboratory of Yale University's School of Drama, where he served for 38 years. He contributed many inventions to theatre technology, including the basic inverse polarized rectifier electronics dimming circuit, the electronic multi-preset lighting control system, the synchronous winch system, articulated acoustical sub-structures, and related analog and digital control systems."