=Information sources for consideration== 
 http://www.antique-silver.com/des/2814.htm 
 http://www.nndb.com/honors/763/000072547/ 
 http://www-groups.dcs.st-and.ac.uk/~history/Societies/CopleyMedal.html 
 http://www.royalsoc.ac.uk/page.asp?tip=1