Subtract: The Untapped Science of Less book cover

Subtract

The Untapped Science of Less

Leidy Klotz
3.42(2302 Reviews)

Overview of Subtract

Discover why we instinctively add when subtraction is the answer. "Subtract" reveals our blind spot to removal as a solution, praised by MacArthur fellow Sendhil Mullainathan as "a great book" that transforms how environmental leaders and architects approach climate change and design.

Key Themes in Subtract

  • additive bias
  • mental decluttering
  • evolutionary psychology of accumulation
  • design by subtraction
  • minimalist problem solving

Quotes from Subtract

  • Negative numbers were once considered 'pure nonsense' by brilliant minds like Pascal.

  • Civilization has fundamentally been a project of continuous enlargement and addition.

Characters in Subtract

  • Leidy KlotzAuthor and researcher of subtraction
  • The Collyer brothersNew Yorkers known for extreme hoarding
  • Stephanie PrestonPsychologist researching acquisitiveness
  • PascalHistorical mathematician mentioned regarding math

About the Author

About the Author of Subtract

Leidy Klotz, author of Subtract: The Untapped Science of Less, is an award-winning professor and interdisciplinary researcher bridging design, behavioral science, and sustainability.

A professor of engineering, architecture, and business at the University of Virginia, Klotz explores how subtraction—overlooked in favor of addition—can transform problem-solving across disciplines. His research, published in Nature, Science, and peer-reviewed journals, informs this behavioral science-driven work on optimizing systems through strategic removal.

Klotz also wrote Sustainability Through Soccer, applying systems thinking to global challenges, and contributes to The Washington Post, Harvard Business Review, and Scientific American. A frequent speaker at institutions like Stanford and MIT, he has been featured on NPR’s Hidden Brain and Freakonomics.

Klotz’s work is backed by over $10 million in competitive research funding, including a National Science Foundation CAREER Award. Before academia, he designed infrastructure projects and played professional soccer.

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