Question: Who came up with the saying the customer is always right?
Disambiguated questions and answers: question: Who from London came up with the saying the customer is always right?
Who from Philadelphia came up with the saying the customer is always right?
Who from New York City came up with the saying the customer is always right?
answer: Harry Gordon Selfridge
Harry Gordon Selfridge, Sr.
John Wanamaker
Marshall Field
Natural Questions answer: John Wanamaker
Marshall Field
Harry Gordon Selfridge (from the Wikipedia article "The customer is always right")