On October 25, 1946, in a crowded room in Cambridge, England, the great twentieth-century philosophers Ludwig Wittgenstein and Karl Popper came face to face for the first and only time. The meeting -- which lasted ten minutes -- did n...

An account of the 1972 chess match between Soviet chess champion Boris Spassky and American challenger Bobby Fischer offers insight into the personalities of the contenders and draws on previously unpublished records to identify the r...

In 1766 philosopher, novelist, composer, and political provocateur Jean-Jacques Rousseau was a fugitive, decried by his enemies as a dangerous madman. Meanwhile David Hume—now recognized as the foremost philosopher in the Engli...

A runaway train is racing toward five men who are tied to the track. Unless the train is stopped, it will inevitably kill all five men. You are standing on a footbridge looking down on the unfolding disaster. However, a fat man, a str...