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JACK S. KILBY - ORIGINAL ART ON FIRST DAY COVER SIGNED - HFSID 153349

JACK S. KILBY He draws a microchip on a First Day Cover honoring Progress in Electronics. Original art on First Day Cover signed: "J.S. Kilby", 6½x3½. First Day Cover honoring Progress in Electronics, 11-cent stamp affixed, postmarked New York, New York, July 10, 1973, FIRST DAY OF ISSUE.

Sale Price $270.00

Reg. $300.00

Condition: fine condition
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JACK S. KILBY
He draws a microchip on a First Day Cover honoring Progress in Electronics.
Original art on First Day Cover signed: "J.S. Kilby", 6½x3½. First Day Cover honoring Progress in Electronics, 11-cent stamp affixed, postmarked New York, New York, July 10, 1973, FIRST DAY OF ISSUE. Cachet pictures Lee DeForest. In 1958, Kilby (1923-2005) went to work at Texas Instruments. Within a year, the electrical engineer had invented a monolithic integrated circuit that he called a "microchip" (patent #3,138,743). He also developed the first pocket calculator, "Pocketronic". One of over 60 inventions Kilby patented, the microchip made high-speed computing and communication systems possible. Kilby was awarded the 2000 Nobel Prize in Physics "for his part in the invention of the integrated circuit". Slightly creased. Fine condition.

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