Possessing one of the greatest minds on planet earth, and the greatest wit that ever graced TalkSport, Professor Stephen Hawking's calls to the Human Zoo are nothing less than legendary.

Of course whether or not it is the Physicist himself calling or an imitation voice synthesiser is uncertain. The Stephen Hawking calls were not without poor imitators.

The first original two calls were undoubtedly the funniest. They are available to listen to for your enjoyment along with a few more.

To download on the right is the first ever Hawking Zoo call (rare download), the one that inspired the rest. Three more calls, arguably from the same caller, are also available to listen to.