Sneha Girap

Zoltán Lajos Bay

Nationality  Hungarian
Role  Physicist
Name  Zoltan Bay

Occupation  Physicist, inventor
Citizenship  Hungarian American
Books  Life is Stronger
Zoltan Lajos Bay httpsuploadwikimediaorgwikipediacommonsthu
Born  July 24, 1900 (1900-07-24) Gyulavari, Hungary
Residence  Hungary Germany United States
Known for  Electron multiplier, radar astronomy, the new definition of a meter (metre)
Died  October 4, 1992, Washington, D.C., United States

Zoltán Lajos Bay (July 24, 1900 in Gyulavári – October 4, 1992 in Washington, D.C.) was a Hungarian physicist, professor, and engineer who developed technologies, including tungsten lamps and microwave devices. He was the leader of the second group to observe radar echoes from the Moon (Moonbounce). From 1930, he worked at the University of Szeged as a professor of theoretical physics.

In 1923 at Tungsram Ltd., a research laboratory was established for improving light sources, mainly electric bulbs. The head of that laboratory was Ignác Pfeifer, whose research staff included Zoltán Bay, along with Tivadar Millner, Imre Bródy, György Szigeti, Ernő Winter, and many others.

Zoltán Lajos Bay httpsuploadwikimediaorgwikipediacommonsthu

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

In 1955, Zoltán Bay became head of the Department of Nuclear Physics in the National Bureau of Standards (NBS, called today NIST), where he measured the velocity and frequency of light by a previously unknown measurement method. As a result of Bay's research, the 1983 conference of the International Weights and Measures Bureau accepted, as a standard, the definition of a meter (metre)as recommended by Zoltán Bay.

In 1998 the State of Israel recognized him as among the Righteous Among the Nations and listed his name at Yad Vashem.

References

Zoltán Lajos Bay Wikipedia


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