Gertrude Neumark
Encyclopedia
Gertrude Fanny Neumark, also known as Gertrude Neumark Rothschild, (April 29, 1927–November 11, 2010) was an American
United States
The United States of America is a federal constitutional republic comprising fifty states and a federal district...

 physicist
Physicist
A physicist is a scientist who studies or practices physics. Physicists study a wide range of physical phenomena in many branches of physics spanning all length scales: from sub-atomic particles of which all ordinary matter is made to the behavior of the material Universe as a whole...

, most noted for her work in semiconducting materials and phosphors.

She was born in Nuremberg, Germany in 1927. Her family, who were Jewish, fled Germany in 1935.

Education

She graduated from Barnard College
Barnard College
Barnard College is a private women's liberal arts college and a member of the Seven Sisters. Founded in 1889, Barnard has been affiliated with Columbia University since 1900. The campus stretches along Broadway between 116th and 120th Streets in the Morningside Heights neighborhood in the borough...

 in 1948, completing an M.A. at Radcliffe College
Radcliffe College
Radcliffe College was a women's liberal arts college in Cambridge, Massachusetts, and was the coordinate college for Harvard University. It was also one of the Seven Sisters colleges. Radcliffe College conferred joint Harvard-Radcliffe diplomas beginning in 1963 and a formal merger agreement with...

 the next year, and a Ph.D. at Columbia in 1951. She joined the Sylvania Research Laboratories in Bayside
Bayside, Queens
Bayside is a suburban neighborhood in the borough of Queens in New York, New York in the United States. Bayside is known as one of the most expensive areas to live in Queens, with well kept homes and landscaping...

, NY
New York
New York is a state in the Northeastern region of the United States. It is the nation's third most populous state. New York is bordered by New Jersey and Pennsylvania to the south, and by Connecticut, Massachusetts and Vermont to the east...

 in 1952 as a Senior Physicist. She moved in 1960 to the Philips
Philips
Koninklijke Philips Electronics N.V. , more commonly known as Philips, is a multinational Dutch electronics company....

 Laboratories, Briarcliff Manor
Briarcliff Manor, New York
Briarcliff Manor is a village in Westchester County in the state of New York. It is shared between the towns of Mount Pleasant and Ossining, and lies entirely within the ZIP code of 10510...

, NY where she worked until 1985. She was elected a Fellow of the American Physical Society
American Physical Society
The American Physical Society is the world's second largest organization of physicists, behind the Deutsche Physikalische Gesellschaft. The Society publishes more than a dozen scientific journals, including the world renowned Physical Review and Physical Review Letters, and organizes more than 20...

in 1982. From 1982 to 1985 she was visiting or adjunct Professor of Materials Science at Columbia, and became Professor of Materials Science there in 1985.

In 2009, she was the Howe Professor Emerita of Materials Science and Engineering and Professor Emerita of Applied Physics and Mathematics at Columbia University.

Patents

Neumark holds a number of patents on wide-bandgap semiconductor technology. In 2006, she settled out of court with a number of LED manufactuers.

In 2008, Neumark filed a complaint seeking to block imports into the United States of a range of products that she said were infringing her patents on wide-bandgap semiconductor technology, resulting in a number of companies agreeing to license the patents.
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