J. Kevin Day

There is probably not a senior executive on the planet who, at one time or another, hasn't raised an eyebrow or two to express exasperation over "people problems." But just try to run the modern business corporation without them. Forget the Internet chatter about the peopleless workplace. There’s no substitute for the contribution people make to the bottom line.

Leadership evolves from the dynamic of particular situations. Without Adolf Hitler, Winston Churchill may have been remembered as a quirky backbencher.