Geoffrey Hinton and AI

Ethan Zuckerman and pop-up ad

John Sylvan and coffee capsule

Wally Conron and the Labradoodle

Mikhail Kalashnikov and the AK-47

Victor Gruen and the shopping mall

Robert Propst and the office cubicle

Scott Fahlman and the emoticon

J. Robert Oppenheimer and the atomic bomb

By Sumithra Rajendran