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Lise Meitner was an Austrian-Swedish physicist. She became the second woman to gain a PhD in physics at @univienna in 1905. In 1917, Meitner and Otto Hahn discovered the first long-lived isotope of protactinium while at the Kaiser-Wilhelm-Institut (KWI). #STEMlegends #WomenInSTEM 
In 1922, Meitner discovered the Auger emission process. This describes how a photon or electron is emitted from an atom when the inner-shell is filled by an electron. This effect is named after Pierre Auger who made the same discovery as Meitner independently, the following year.
After the discovery of the neutron in 1932, physicists realised it might be possible to create new elements by adding neutrons to uranium. A race to create the first new element ensued between Meitner and Hahn, and Ernest Rutherford, Irène Joliot-Curie, and Enrico Fermi.
