Throughout the history of mankind, the subject of identity has sent poets to the blank page, philosophers to the agora and seekers to the oracles. These murky waters of abstract thinking are tricky to navigate, so it's probably fitting...

Discover some of the deep questions that scientists and philosophers ask about time and some of the ideas that emerge from each one.

Trace how philosophers throughout history have envisioned the ideal government. Explore ideas from Locke, Hobbes, Rousseau, and more.

Imagine a neuroscientist who has only ever seen black and white things, but she is an expert in color vision and knows everything about its physics and biology. If, one day, she sees color, does she learn anything new? Is there anything...

Information and lesson ideas pertaining to the famous American thinker. The yellow, left side of the page contains teaching ideas, and the white, right side of the page contains background.

This profile of Margaret Fuller (1810-1850) reveals why she is sometimes called "the most important woman of the nineteenth century." Discussion includes her literary criticism, journalism, and her feminist manifesto, Woman of the...

Ancient History Sourcebook offers the Meditations of Marcus Aurelius Antonius, the "philosopher emperor" of Rome. This is one of the few pieces of literature written by a world leader; even more striking is the fact that it is a work of...

This site offers a link to Sun Tzu's nonfiction work The Art of War. Sun Tzu was a Chinese general, military strategist, and philosopher who is traditionally credited as the author of The Art of War, a widely influential work of military...

A biography presented on the Ancient Greek philosopher provides a good foundation of information about his life.

Extensive overview of the English philosopher covers his studies, particularly in medicine, and his published works. Includes a bibliography.

This online panel accepts a submitted question and then "puts the talents and knowledge of philosophers at the service of the general public." After a question is sent in, the philosophers are put to work in answering the question based...

This lesson outline summarizes the philosophical issues embedded in the book Alexander and the Terrible, Horrible, No Good, Very Bad Day by Judith Viorst. This is followed by question sets that teachers can use to guide students in a...

Read a short biography about Thales, a pre-Socratic Greek philosopher, mathematician, and astronomer.

A collection of photos related to the famous 20th century Marxist philosopher. Includes pictures of him and family members.

Selected quotes by Bertrand Russell (1872-1970), the British philosopher, logician, essayist, social critic, and pacifist. You will find a taste of his thinking on everything from relationships ("One should have a general attitude of...

Read about the life of the Greek philosopher Epicurus and the philosophy he developed called Epicureanism.

Dig into philosophers Thomas Hobbes and John Locke's ideas and see how they've influenced those that have followed in their footsteps.

A one-page summary of the life and philosophy of influential eighteenth-century Anglo-Irish Parliamentarian Edmund Burke, whose theories of government led him to sympathize with the American colonists against the British crown, to...

Incidents from the life of Greek philosopher Hipparchia are featured on this page from Diotima, publisher of "materials for the study of women and gender in the ancient world."

This resource provides an article on the life and writing of the Greek Philosopher Plato and it includes images, important dates, and related links.

Johann Friedrich Herbart (1776-1841) is discussed, the German philosopher, psychologist, and educator acknowledged as the "father of scientific pedagogy."

A short introduction to the German economic and political philosopher, Karl Marx. Includes links to other sites about Marx, as well as links to books by or about Marx.

This play written in 1944 explores Jean-Paul Satre's philosophical concepts. Read about the characters, the plot and themes in this informative and interesting site.

Learn what metaphysics is and what some different branches of this discipline are. Looks at Ontology, Philosophical Theology, and Cosmology.