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Andrew G. F. Dingwall David Sarnoff Research Center, Princeton A ndrew Dingwall is widely recognized for his contributions to CMOS (Complimentary Metal Oxide Semiconductor) integrated circuits technology and participated in its commercial introduction. CMOS is now the accepted, multi-billion dollar technology used throughout the world to achieve affordable personal computers, digital watches, digital audio, digital controls and digital TV with millions of transistors on a silicon chip. Andrew Dingwall is the holder of nearly 80 patents including the first CMOS 256-bit, 1 kilobyte, 4 kilobyte static random access memories introduced during the 1970s. These devices, at the leading edge of the art at that time, introduced many features still found in modern 1 megabyte and 4 megabyte SRAMs in wide use.