Clifford Stoll:

The call to learn

Clifford Stoll captivates his audience with a wildly energetic sprinkling of anecdotes, observations, asides — and even a science experiment. After all, by his own definition, he's a scientist: "Once I do something, I want to do something else."

Clifford Stoll

Astronomer, educator, skeptic

Astronomer Clifford Stoll helped to capture a notorious KGB hacker back in the infancy of the Internet. His agile mind continues to lead him down new paths — from education and techno-skepticism to the making of zero-volume bottles. Full bio