Peter Petroff
| Peter Petroff | |
 Petroff was a revolutionary NASA engineer and prolific inventor
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| Born | October 21, 1919 Brestovitsa, Bulgaria |
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| Died | February 7, 2003 (aged 83) Huntsville, Alabama |
Peter Petroff (October 21, 1919 – February 7, 2003) was a Bulgarian-American inventor, engineer, NASA scientist, and adventurer. He was instrumental in the evolution of the NASA space program, and was one of the most prolific inventors of the second half the 20th century. Among his many accomplishments, Petroff developed the world's first computerized pollution monitoring system, telemetry devices for the world's first weather and communications satellites, the world's first wireless heart monitor, the first digital watch, and many other important devices and methods. Petroff founded Care Electrics. After a merger, the company became Electro/Data. As CEO, Petroff led the company to develop the first digital watch Pulsar_(watch), licensing it to Hamilton Watch, which first sold it for $2,100.