I know half the money I spend on advertising is wasted, but I can never find out which half.
-- John Wanamaker
   
John Wanamaker   Name:
John Wanamaker
Type:
Businessman
Nationality:
American
Birth:
July 11, 1838
Death:
December 12, 1922
https://www.nutquote.com/quote/John_Wanamaker