Philosophy

Biographies of the Philosophers, Vol. 1 (The Beginning): Thales of Miletus (624 BCE) to Hypatia (355 CE)

About the book

This book presents short biographical accounts of eighty philosophers from the earliest period of recorded philosophical activity, covering approximately 624 BCE to 355 CE. It maps the beginning of rational thinking, and the origins of science, maths, medicine, and the modern world. It includes figures from Ancient Greece, India, China, and Rome whose work represents the oldest surviving record of people using reason, observation, and analysis to understand the world.

The biographies outline what is known about each thinker’s life, context, and contributions. Readers will encounter figures such as Hero of Alexandria, who built an early steam-powered device; Eratosthenes, who measured Earth’s circumference using shadows; Herophilus, who concluded through dissection that the brain is the organ of thought.

The book also includes philosophers such as Epictetus, a former slave whose teachings were later read by the emperor Marcus Aurelius, as well as early women philosophers—including Arete of Cyrene, Hipparchia, Axiothea, and Lasthenia—who pursued philosophy despite significant social barriers.

The volume covers major early philosophical traditions, including the Milesian school, Eleatics, Atomists, Sophists, Socratics, Cyrenaics, Cynics, Platonists, the Academy, the Lyceum, Peripatetics, Epicureans, Stoics, Neoplatonists, as well as Daoists, Mohists, Confucians, Legalists, Nyāya, Vaiśeṣika, and early materialist schools in India.

The book does not claim these individuals were the first rational thinkers in human history, only that they are the earliest whose lives and ideas survive in written form. Together, they constitute the earliest traceable record of philosophical inquiry across multiple ancient cultures.

Readers can expect a straightforward overview of each philosopher’s life and context, and a sense of how early rational inquiry developed across different regions, schools, and traditions.

Author Zak

Book familyZak Originals

CollectionPhilosophy

Available formatsKindle · Paperback

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