Sixty years ago this month, the PROCEEDINGS OF THE lNSTITUTE OF RADIO ENGINEERS (IRE) included a paper by Wilmer L. Barrow on the analysis of nonlinear vacuum-tube circuits subjected to large signals. At the time he was teaching communications engineering at the Massachusetts Institute of …

Sixty-five years ago this month. the PROCEEDINGS OF THE INSTITUTE OF RADIO ENGINEERS (IRE) included a paper by Stuart Ballantine on the topic of vacuum-tube detectors subjected to large signals. During his career, Ballantine made numerous contributions to the design of vacuum-tube circuits, measuring instruments, …

Seventy-five years ago this month, the PROCEEDINGS OF THE INSTITUTE OF RADIO ENGINEERS (IRE) included a paper by A. Hoyt Taylor on the subject of concealed radio receiving systems. He had submitted the paper almost three years earlier, but, like a number of other technical …

Sixty five years ago this month, the PROCEEDINGS OF THE INSTITUTE OF RADIO ENGINEERS (IRE) included a paper by Haraden Pratt on an aircraft radio beacon. By the time his paper was published, he was an engineer with Mackay Radio and Telegraphy Company of New …

Sixty years ago this month, the PROCEEDINGS OF THE INSTITUTE OF RADIO ENGINEERS (IRE) included a classic paper on the theory of vacuum-tube amplifiers by Hendrik van der Bijl. At the time, he was in the laboratory of the Western Electric Company, the manufacturing unit …

Eighty five years ago this month, Lewis B. Stillwell, an eminent consulting engineer, spoke on the subject of “electricity and the conservation of energy” at a joint meeting of the American Institute of Electrical Engineers (AIEE) and three other national engineering societies. According to Stillwell, …

Sixty years ago this month, the PROCEEDINGS OF THE RADIO ENGINEERS (IRE) included a paper on Class C vacuum-tube amplifiers by William L. Everitt. At the time Everitt was teaching electrical engineering at Ohio State University. He is generally regarded as among the most outstanding …

Sixty years ago this month, the PROCEEDINGS OF THE INSTITUTE OF RADIO ENGINEERS (IRE) included Karl Jansky’s classic paper reporting reception of “electromagnetic waves of an unknown origin” but believed to be from “some source outside …