अकॉर्डिंग टू मेंडलीफ पीरियोडिक लो प्रॉपर्टीज ऑफ एलिमेंट और पीरियोडिक फंक्शन ऑफ द डेड
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Russian chemist and inventor. He is best remembered for formulating the Periodic Law and creating a farsighted version of the periodic table of elements. He used the Periodic Law not only to correct the then-accepted properties of some known elements, such as the valence and atomic weight of uranium, but also to predict the properties of eight elements that were yet to be discovered.
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