Bernard-René Jourdan de Launay however written on 5 July that "there are two sources of anxiety concerning the Bastille; the person of the commandant (de Launay) and the nature of the garrison there". De Launay had three daughters by two wives. Some of de Launay's brother's descendants settled in Russia (see Boris Delaunay and Vadim Delaunay for details). His killing is described graphically in Charles Dickens' "A Tale of Two Cities" (Book II, Chapter 21) and also in Hilary Mantel's "A Place of Greater Safety". Bernard-René Jourdan de Launay Bernard René Jourdan, marquis de Launay (1740–1789) was the French governor of the Bastille, the
Louis-Bernard Guyton de Morveau Louis-Bernard Guyton de Morveau Louis-Bernard Guyton, Baron de Morveau (also Louis-Bernard Guyton-Morveau after the French Revolution; 4 January 1737 – 2 January 1816) was a French chemist and politician. He is credited with producing the first systematic method of chemical nomenclature. Guyton de Morveau was born in Dijon, where he served as a lawyer, then "avocat général", of the Dijon "parlement". In 1773, already interested in chemistry, he proposed use of "muriatic acid gas" for fumigation of buildings and as a result is sometimes given credit for having suggested chlorine in this use. However, chlorine was not well characterized at