Claude C. Hopkins Quote

Scientific advertising has altered many old plans and conceptions. It has proved many long established methods to be folly


My Life in Advertising and Scientific Advertising (ed. McGraw Hill Professional, 1986) - ISBN: 9780844231013


Scientific advertising has altered many old plans and conceptions. It has proved many long established methods to be folly

Scientific advertising has altered many old plans and conceptions. It has proved many long established methods to be folly

Scientific advertising has altered many old plans and conceptions. It has proved many long established methods to be folly

Scientific advertising has altered many old plans and conceptions. It has proved many long established methods to be folly