Prove a Negative

~ Mark Heath

randi santa6

The Randi Prize offers a million dollars to anyone who can prove a negative, one that eludes the usual proof of evidence. My career, for example.

Unknown's avatar

Published by Mark Heath

I'm a freelance cartoonist. My work has appeared in Reader's Digest, Harvard Business Review, American Scientist, Woman's World, and others. I'm also the creator of Spot the Frog, a comic strip you can find at Gocomics.com.

Leave a comment