In Her Element: Women Behind the Discoveries of the Periodic Table
Marguerite Perey

In celebration of National Periodic Table Day February 7, 2020, and of the upcoming Women’s History Month in March, here’s a look at some of the women who made key breakthroughs in the creation of the Periodic Table of Chemical Elements.

First, some general background. 2019 was the “International Year of the Periodic Table”, celebrating the 150 years since the 1869 discovery of the Periodic System by Dmitri Mendeleev, the father of the periodic table. As anyone who has taken a science class can attest, the Periodic Table of Chemical Elements has been one of the most significant breakthroughs in science, setting a chart of all the chemical building blocks of matter.

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