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• Washington Post obituary for legendary U of I professor Nick Holonyak Jr.

  Sep 22, 2022 10:45 am by Washington PostIllinois in the News
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  Nick Holonyak Jr., whose development of the first practical visible-spectrum light-emitting diode(LED) was a breakthrough with countless applications, including lightbulbs, cellphones, TVs and microscopic surgical equipment, died Sept. 18.

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