Word: vector
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Dates: during 1930-1939
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Words followed words. "Four dimension vector . . direct from Lorentz transformation . . . sum of impulses before and after collision . . . relative to all systems of coordinates. . . ." Sometimes the speaker lapsed into German, once or twice asked his hearers to translate a German technical word...
...Health to follow the lead of Dr. Kenneth Fuller Maxcy, who had left the Institute to become professor of public health and hygiene at the University of Virginia. Dr. Maxcy knew that U. S. inhabitants are seldom lousy, suspected that some other blood-sucking insect might be the vector of mild U. S. typhus. Dr. Dyer, who in his career had dealt with rat-borne bubonic plague, suspected rat fleas, proved his hypothesis correct-first on guinea pigs, next (by accident) on two assistants, Martin Joseph Mannix and Dr. Elmer Theodore Ceder, lastly upon himself. "Where," he demanded...