Aristotel

The Physics of Aristotle is one of the foundational books of Western science and philosophy. As Martin Heidegger once wrote; The Physics is a lecture in which he seeks to determine beings that arise on their own, τὰ φύσει ὄντα, with regard to their being. Aristotelian "physics" is different from what we mean today by …

On the Parts of Animals is a text by Aristotle. It was written around 350 BC. The whole work is roughly a study in animal anatomy and physiology; it aims to provide a scientific understanding of the parts of animals.