Murphy's Law in action!

I know what it means - if anything can go wrong it will, it's Murphy's Law. But why Murphy? Who was Murphy? Where & when did this come from?

According to the website below, he was 'Capt. Edward A. Murphy, an engineer working on [US] Air Force Project MX981, (a project) designed to see how much sudden deceleration a person can stand in a crash,' in 1949.

www.edwards.af.mil/history/docs_html/tidbits/murphy's_law.html

And a perfect example of Murphy's Law in action!