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AFTER CERTAINTY

Person

Galileo Galilei

Astronomer and physicist whose observations challenged geocentric doctrine and institutional certainty.

Why this matters

Galileo is the classic misreading of authority—truth measured against office.

Focus in observatory

Works

book

Dialogue Concerning the Two Chief World Systems

Galilei, Galileo. *Dialogue Concerning the Two Chief World Systems*. Translated by Stillman Drake. Berkeley: University of California Press, 1967.

book

Sidereus Nuncius, or The Sidereal Messenger

Galilei, Galileo. *Sidereus Nuncius, or The Sidereal Messenger*. Translated by Albert Van Helden. Chicago: University of Chicago Press, 1989.

Related books

Book

When Authority Is Misread

How Communication and Moral Judgment Shape Leadership at Scale

An examination of what happens when signals of confidence are mistaken for legitimacy, and how that confusion distorts trust and decision-making.