Charles Dickens , Adam Smith , Benjamin Franklin , Karl Marx , William Hogarth , John Diefenbaker , Stephen Hawking and Tim Berners-Lee are some of the notable past and present members , and it has today more than 27,000 Fellows from 70 countries worldwide .
Notable members have included Benjamin Franklin , Karl Marx , Adam Smith , William Hogarth , John Diefenbaker , Stephen Hawking and Charles Dickens .