Philosophy Index

Bernard Bolzano

Bernhard Placidus Johann Nepomuk Bolzano (1781–1848) was a mathematician, logician, philosopher and theologian.

Bolzano was born in Prague, Bohemia, into a Catholic family. He studied mathematics, physics, philosophy and theology and became a Catholic priest in 1804. At the University of Prague, he found himself as the head of the philosophy department, but his anti-militaristic views on social reform gradually saw him fall out of favour both with fellow academics and with the Church.

Bolzano wrote most of his known works in exile, writing on social and political philosophy, logic and math and religion.

Bolzano's 1837 work, Wissenschaftslehre (“Theory of Science”) covers a robust philosophy of science, epistemology, logic and education.

The rediscovery of Bolzano's works and their importance are due in part to Edmund Husserl.

Selected Works

  • Wissenschaftslehre (“Theory of Science”, 1837)


Name: Bernhard P. J. N. Bolzano
Born: October 5, 1781
Died: December 18, 1848