Scientific American. Microelectronics. September 1977. Volume 237, Number 3. Cover: An earth-colored microchip shines rays of circuited sunlight in orange and black. This magazine contains the following articles: Microelectronics, by Robert N. Noyce, Microelectronic Circuit Elements, by James D. Meindl, The Large-scale Integration of Microelectronic Circuits, by William C. Holton, The Fabrication of Microelectronic Circuits, by William G. Oldham, Microelectronic Memories, by David A. Hodges, Microprocessors, by Hoo-Min D. Toong, The Role of Microelectronics in Data Processing, by Lewis M. Terman, The Role of Microelectronics in Instrumentation and Control, by Bernard M. Oliver, The Role of Microelectronics in Communication, by John S. Mayo, Microelectronics and Computer Science, by Ivan E. Sutherland and Carver A. Mead, and Microelectronics and the Personal Computer, by Alan C. Kay. Other sections of this issue include Departments, Letters, 50 and 100 Years Ago, The Authors, Mathematical Games, Books, Science and the Citizen, the Amateur Scientist, and the Bibliography.