Rudolf Julius Emanuel Clausius (2.01.1822-24.08.1888) was a German theoretical physicist, one of the creators of thermodynamics and of the kinetic theory of gases, and a corresponding member of the Berlin Academy of Scie…
Aimé Cotton (9.10.1869-15.04.1951) was a French experimental physicist and a member of the Paris Academy of Sciences (1923), and its president in 1938.