Henry Louis Le Chatelier (French pronunciation: [ɑ̃ʁi lwi lə ʃɑtəlje]; 8 October 1850 – 17 September 1936) 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.
Arnaud Denjoy (French: [dɑ̃ˈʒwa]; 5 January 1884 – 21 January 1974) was a French mathematician.
Édouard Benjamin Baillaud (14 February 1848 – 8 July 1934) was a French astronomer.
Auguste Gabriel Maurice Raynaud (10 August 1834 – 29 June 1881) was the French medical doctor who discovered Raynaud syndrome, a vasospastic disorder which contracts blood vessels in extremities and is the "R" in the CREST syndrome acronym, in the late 19th century.
Alice Salomon (19 April 1872 – 30 August 1948) was a German social reformer and pioneer of social work as an academic discipline. Her role was so important to German social work that the Deutsche Bundespost (German post office) issued a commemorative postage stamp about her in 1989. A university, a park and a square in Berlin are all named after her.
