Jerome de Salis, 2nd Count de Salis-Soglio (1709-1794), was sometime British Resident in the Grisons and a Fellow of the Royal Society. He was also known as: "Hieronimus" ; "Gerolamo" ; "Geronimo" ; "Harry" ; "Jerome the grandfather" ; and "Monsieur le Comte de Salis". Wikipedia
The definitive Wikipedia entry for Jerome 2nd Count de Salis. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Jerome%2c_2nd_Count_de_Salis