Word: papish
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Dates: during 1930-1939
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...Them" referred particularly to Professor Jacob Papish of Cornell, who last autumn recognized eka-cesium with the x-ray spectrograph. With an x-ray spectrograph Professor B. Smith Hopkins of the University of Illinois discovered the third last unknown element, No. 61, of the Periodic Table, which he named illinium (TIME, March...
Element No. 87's discovery was claimed last year by Dr. Fred Allison of Alabama Polytechnic Institute. Recently he said he had found No. 85, ekaiodine, the other unisolated element. Professor Jacob Papish also claimed discovery of No. 87, eka-cesium. He told the Academy he had made tests with Dr. Allison's magneto-optic device, found chemical mixtures sometimes made it register elements not really present...