Volume IV: Measure

• Approximation Henri Poincaré
• Average Adolphe Quetelet
• Calculus Isaac Newton
• Dimension Henri Poincaré
• Error Carl Friedrich Gauss
• Geometry Euclid
• Incommensurable Thomas Kuhn
• Infinity Georg Cantor
• Irrational Hippasus
• Magnitude Euclid
• Measurement Ernst Mach
• Number Euclid
• Number Pythagoras
• Number Adam Smith
• Precision Pierre Duhem
• Probability Pierre-Simon Laplace
• Probability Thomas Bayes
• Probability Karl Popper
• Proportion Euclid
• Quantity Aristotle
• Quantum Max Planck
• Ratio Euclid
• Scale D'Arcy Wentworth Thompson
• Space Immanuel Kant
• Standard Étienne-Jules Marey
• Statistics Karl Pearson
• Time Albert Einstein
• Time William James
• Time Fernand Braudel
• Time Mircea Eliade
• Transfinite Georg Cantor
• Unit James Clerk Maxwell
• Zero Brahmagupta

Closing Entries

• Limits of Counting Kurt Gödel
• Unmeasurable Henri Poincaré
• Zeno's Paradox Zeno of Elea