Books

• The Cult of The Fact (1972).
• Contrary Imaginations: A Psychological Study of the English Schoolboy (1967). The book was quoted in Malcolm Gladwell
  Malcolm Gladwell
  Malcolm Gladwell, CM is a Canadian journalist, bestselling author, and speaker. He is currently based in New York City and has been a staff writer for The New Yorker since 1996...
  
  's Outliers. In the references of Outliers, Gladwell says, "Hudson is an absolute delight to read."

Sources

• www.timesonline.co.uk