George Kimball Burgess was an American physicist, considered one of the most notable scientists of his era. He authored and translated numerous studies, was a leading member and president of many scientific societies and, for the last nine years of his life, served as director of the National Bureau of Standards.
Burgess in 1924
Henry Louis Le Chatelier was a French chemist of the late 19th and early 20th centuries. He devised Le Chatelier's principle, used by chemists and chemical engineers to predict the effect a changing condition has on a system in chemical equilibrium.
The Sorbonne. Professor Henry Louis Le Chatelier (Bibliothèque de La Sorbonne, NuBIS)