The debate on the relationship between income, income inequality, and health of the last two decades has been based almost entirely on empirical considerations. The ideas prompting the debate are based on the concave relationship observed between health and income…

This essay argues that intellectual historians have overlooked the significance of the return of Euclid’s geometric thought to early-modern Europe. Looking at the period between 1400 and 1800, this essay shows how geometric thought not only penetrated into fundamental areas…