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 Jan 1894 Jahr – 15 Jul 1894 Jahr)

9 Mon. zuvor

1 Jan 1894 Jahr

15 Jul 1894 Jahr

~ 6 months

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