In 1960, the ratio of CEO pay at large companies to that of the president of the United States was about 2 to 1. In 2007, it was more than 20 to 1. In 1980, executives at large companies made about 40 times what the average worker made. Last year, CEOs made about 360 times more than the average worker.
— You Can Cap The Pay, But The Greed Will Go On (via squashed)
On a related note, go ask your older relatives how much they paid for their houses, and how that price related to their annual salaries at the time.