โ Scribed by Housner, George W.
No coin nor oath required. For personal study only.
1981 to 1985
. He returned to Caltech in 1985. Professor Hudson was active in earthquake engineering research and published numerous papers; he was instrumental in developing the "rst multi-unit building vibration generator with precise frequency controls; he headed the project of analyzing all strong motion accelerograms } digitizing the data, computing velocity, displacement and response spectra and publishing the results in a multi-volume set of books in the 1970s. In the 1960s he developed an electric analog analyzer for computing response spectra and also developed the seismoscope which has been installed in many countries. He co
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He was a fine craftsman whose contributions to our knowledge of flames were widely recognized. In an early editorial in this Journal, 3, 1 (1959), A. C. Egerton, speaking of the tools and techniques, which were then becoming available for combustion studies, offered Kaskan's work as an example of th