Original: Sir Thomas Gresham ( c. 1519 21 November , 1579 ) was an English merchant and financier who worked for King Edward VI of England and for Edward 's half-sister Queen Elizabeth I of England .
Simplified: Sir Thomas Gresham ( c. 1519 21 November , 1579 ) was an English merchant who worked for King Edward VI of England and for Edward 's half-sister Queen Elizabeth I of England .