Author
Claude C. Hopkins
American · 1866–1932
Copywriter who tested every ad like a science experiment, and one of the best-paid admen of his day.
1 book · 84 one-minute episodes
If you like Hopkins, try…
All authors
American · 1866–1932
Copywriter who tested every ad like a science experiment, and one of the best-paid admen of his day.
1 book · 84 one-minute episodes
