John William Strutt, 3rd Baron Rayleigh (NOBLE GAS) He, along with William Ramsay, succeeded in extracting the previously unknown element, argon, in pure form and in analyzing its properties. (1 янв 1894 г. – 15 июл 1894 г.)
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1 янв 1894 г.
15 июл 1894 г.
~ 6 months