Aristotle wrote on everything from the shape of seashells to sterility, from speculations on the nature of the soul to meteorology, poetry, art, and even the interpretation of dreams. Apart from...

Rene Descartes spent most of his childhood in solitude, a situation that also came to characterize his adult life. Fortunately, these countless lonely hours helped Descartes produce the declaration...

Immanuel Kant taught and wrote prolifically about physical geography yet never traveled further than forty miles from his home in Königsberg. How appropriate it is then that in his philosophy he...

Kierkegaard wasn't really a philosopher in the academic sense. Yet he produced what many people expect of philosophy. He didn't write about the world, he wrote about life, about how we live and how...

With Friedrich Nietzsche, philosophy was dangerous not only for philosophers but for everyone. Nietzsche ended up going mad, but his ideas presaged a collective madness that had horrific...

In an age when philosophers had scarcely glimpsed the horizons of the mind, a boy named Aristocles decided to forgo his ambitions as a wrestler. Adopting the nickname Plato, he embarked instead on a...