Charles Pictet de Rochemont was a statesman and diplomat who prepared the declaration of Switzerland's permanent neutrality ratified by the great powers in 1815.
Wikipedia https://en.wikipedia.org/wiki/Charles_Pictet_de_Rochemont
Address 1 Rue Henri Fazy, Genève 1204, Switzerland
Coordinates 46°12'2.456" N 6°8'46.71" E