György Szigeti

György Szigeti (29 January 1905 – 27 November 1978),[1] also known as Gyorgy Szigeti, was a Hungarian physicist and engineer who developed tungsten lamps.

In 1923 at Tungsram Ltd., a research laboratory was established for improving light sources, mainly electric bulbs.[1] The head of that laboratory was Ignácz Pfeiffer (1867-1941), whose research staff included Szigeti, along with Zoltán Bay (1900-1992), Tivadar Millner, Imre Bródy (1891-1944), Ernő Winter (1897-1971), and others.[1]

Szigeti worked together with Zoltán Bay on metal-vapor lamps and fluorescent light sources. They received a U.S. patent on "electroluminescent light sources" that were made of silicon carbide; these light sources were the ancestors of light-emitting diodes (LEDs).[1]

Notes
  1. "Fizikai Szemle 1999/5 - Zsolt Bor: Optics by Hungarians" (with Zoltan Bay), József Attila University, Szeged, Hungary, 1999, webpage: KFKI-Hungary-Bor.
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