A 1958 prototype for a Texas Instruments Inc. microchip, mounted on glass and enclosed in a plastic case,...
A 1958 prototype for a Texas Instruments Inc. microchip, mounted on glass and enclosed in a plastic case, is shown by a Christie's Auction house employee in New York June 17, 2014. The protoype microchip used by Texas Instruments Inc.'s Jack Kilby in the world's first electronic circuit is estimated to sell for $1 to $2 million at auction on June 19. REUTERS/Brendan McDermid (UNITED STATES - Tags: BUSINESS SOCIETY SCIENCE TECHNOLOGY)