About
NASA engineer and prolific inventor who created the digital wristwatch.
Before Fame
He studied electrical engineering in Stuttgart, Germany.
Trivia
His prototype digital watch, called the Pulsar, went on sale in 1971 and was priced at $2,100.
Family Life
He married Helen Philips Petroff in 1909.
Associated With
Wernher von Braun recruited him to work on the Apollo space program.
