Dirk L. Couprie is a retired scholar (University of Leiden). Doctoral dissertation at University of Amsterdam with a thesis on Anaximander.Current position: leader of a project on Presocratic Philosophy at the philosophical department of the faculty of philosophy and arts, University of West Bohemia in Pilsen.Areas of work: Presocratic philosophy, more especially Presocratic cosmology; also ancient cosmology in a broader perspective (ancient Egyptian, ancient Jewish, ancient Chinese).

“Highly specialized and learned exposition much is made of the textual, conceptual, and … relevant literature. The author is also to be congratulated on his clarity and thoroughness.” (David W. Hughes, The Observatory, Vol. 139 (1270), June, 2019)

• Introduction. - Preliminaries on Sources and Methodology.- Part One Ancient Greece.-   Peculiarities of Presocratic Flat Earth Cosmology.- Anaximander’s Images.- Anaximander’s Phenomenological Cosmology.- Anaximander’s Numbers.- Anaximenes’ Cosmology.- Xenophanes’ Cosmology.- Anaxagoras on The Milky Way and Lunar Eclipses.- Anaxagoras on The Light and Phases of the Moon.- Anaxagoras and the Measurement of the Sun and Moon.- Aristotle’s Arguments for the Sphericity of the Earth.- Part Two Ancient China.- An Ancient Chinese Cosmology: Main Features.- An Ancient Chinese Flat Earth Cosmology. Details and Calculations.- Ancient Chinese Versus Greek Flat Earth Cosmology.- Two Appendices: Cosmas Indicopleustes and Samuel Birley Rowbotham.- Quotations from Ancient Greek and Roman Authors.- Quotations from the Zhou bi and Ancient Chinese Authors.- Bibliography.