Napoleon Hill

Jeremy Kourdi

DK

Sara Gay Forden

Julie C. Lellis

Adam Smith 

Ken Langone

Benjamin Graham 

Chris Bailey

Jeffrey J. Fox

Susan L Colantuono 

Carmen M Reinhart 

Robert B. Cialdini

Douglass C North 

Michael Lewis 

Dani Rodrik 

Barbara Ehrenreich

Steven E Landsburg 

Josh Kaufman

Marshall Goldsmith

Mr. Martin Wolf

Carl Shapiro

Richard C. Koo

Abhijit V. Banerjee