The Development of Metaphysics in Persia is the book form of Muhammad Iqbal's PhD thesis in philosophy at the University of Munich submitted in 1908 and published in the same year. It traces the development of metaphysics in Persia from the time of Zoroaster to the advent of the Bahá'í Faith.

The Development of Metaphysics in Persia is the book form of Muhammad Iqbal's PhD thesis in philosophy at the University of Munich submitted in 1908 and published in the same year. It traces the development of metaphysics in Persia from the time of Zoroaster to the advent of the Bahá'í Faith.