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English: Photograph of Nick Holonyak, Jr. published in 2002. Behind him is a chart illustrating the advances in the efficiency of commercial LEDs since his invention of the GaAsP LED in 1962.
Dyddiad circa 2002
Ffynhonnell Nick Holonyak, Jr.. Archived from the original on 2006-08-06.
Awdur AnonymousUnknown author
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Category:Images of People from Illinois

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Photograph of Nick Holonyak Jr., inventor of numerous semiconductor devices including the first practicable LED.

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