The year is 1969. Neil Armstrong has just walked on the moon, and the world is captivated by the promise of technology. Yet, in a quiet corner of MIT’s physics department, a graduate student named Stephen Wiesner was grappling with a problem…

The year is 1969. Neil Armstrong has just walked on the moon, and the world is captivated by the promise of technology. Yet, in a quiet corner of MIT’s physics department, a graduate student named Stephen Wiesner was grappling with a problem…