When he arrived in London he had precisely three ha'pence in his pocket, but he had a priceless asset in his companion in the weary walk from Lichfield Dr Samuel Johnson no less, who had taught him Latin and Greek, and who never ceased to encourage and admire him.

ECONOMIST: Theatre history

Unknowingly subscribing to Dr. Samuel Johnson's famous definition of advertising: "promise, large promise, " McClung hung a sign outside that said "Pain Relief in 5 Minutes!"

FORBES: Marketing