James Franck was a German–American physicist who shared the 1925 Nobel Prize in Physics with Gustav Hertz "for their discovery of the laws governing the impact of an electron upon an atom."
Franck in 1925
Left to right: Max Reich [de], Max Born, James Franck, and Robert Pohl (the bonzen) in 1923
Left to right: Niels Bohr, James Franck, Albert Einstein, and Isidor Rabi in 1954
Elise "Lise" Meitner was an Austrian and Swedish nuclear physicist who was instrumental in the discovery of nuclear fission.
Meitner, c. 1960
Lise Meitner and Otto Hahn in 1912
Meitner and Hahn in their laboratory, in 1913. When a colleague she did not recognise said that they had met before, Meitner replied: "You probably mistake me for Professor Hahn."