Quizzical

Wow, we have only a single winner for the Boolean Gate quiz. Congratulations, Steve Halter! Email me your address, and a signed copy of the uncorrected proofs will soon be winging their way to you.
Here are the questions and answers:
1. Who are the three historical figures depicted on the cover?
Mark Twain, JP Morgan, and Nikola Tesla.
2. What the hell is a Boolean Gate, anyway?
I’ll defer to Ralf’s technical explanation for how it all works, but what I was aiming at was that logic gates in comput...