About: John Kenneth Hulm

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John Kenneth Hulm (4 July 1923, Southport, UK – 16 January 2004) was a British-American physicist and engineer, known for the development of superconducting materials with applications to high-field superconducting magnets. In 1953 with George F. Hardy he discovered the first A-15 superconducting alloy. In 1948 Hulm married Joan Askham. Upon his death he was survived by his widow, four daughters, a son, and six grandchildren.

Attributes	Values
rdf:type	Thing
rdfs:label	John Kenneth Hulm (en)
rdfs:comment	John Kenneth Hulm (4 July 1923, Southport, UK – 16 January 2004) was a British-American physicist and engineer, known for the development of superconducting materials with applications to high-field superconducting magnets. In 1953 with George F. Hardy he discovered the first A-15 superconducting alloy. In 1948 Hulm married Joan Askham. Upon his death he was survived by his widow, four daughters, a son, and six grandchildren. (en)
dcterms:subject	British emigrants to the United States 1923 births 2004 deaths 20th-century American physicists 20th-century British physicists Alumni of the University of Cambridge Members of the United States National Academy of Engineering Members of the United States National Academy of Sciences British materials scientists
Wikipage page ID	61828114 (xsd:integer)
Wikipage revision ID	1073565762 (xsd:integer)
Link from a Wikipage to another Wikipage	British emigrants to the United States Bernd T. Matthias David Shoenberg University of Cambridge 1923 births A15 phases 2004 deaths 20th-century American physicists 20th-century British physicists Alumni of the University of Cambridge Members of the United States National Academy of Engineering Members of the United States National Academy of Sciences James C. McGroddy Prize for New Materials John Price Wetherill Medal British materials scientists Southport Mildred Dresselhaus Howard Aiken Bernd Matthias dbr:John_Eugene_Gunzler
sameAs	John Kenneth Hulm John Kenneth Hulm
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has abstract	John Kenneth Hulm (4 July 1923, Southport, UK – 16 January 2004) was a British-American physicist and engineer, known for the development of superconducting materials with applications to high-field superconducting magnets. In 1953 with George F. Hardy he discovered the first A-15 superconducting alloy. John K. Hulm received his undergraduate degree in 1943 from the University of Cambridge and then worked on radar development until the end of WWII. After the war he returned to Cambridge and received his PhD in 1949 with a thesis on the thermal conductivity of superconductors. His thesis advisor was David Shoenberg. At the University of Chicago, Hulm was a postdoc from 1949 to 1951 and an assistant professor from 1951 to 1954. His highly productive research work there resulted in the discovery, with George Hardy, of the A-15 superconducting alloys, binary compounds of elements that exhibited superconductivity at temperatures as high as 17 degrees Kelvin. Together with B. T. Matthias, John published 14 technical papers based on his work in Chicago. In 1954 he became employed at the Westinghouse Electric Corporation research laboratory in Pittsburgh. There he assembled and led a research team dealing with the physics of materials, especially superconductors. He was promoted in 1956 to manager ofthe lab’s Solid State Physics Department and in 1960 to associate director, Material Science, with several departments under his management. He spent the rest of his working career at Westinghouse. John and his team scored a major breakthrough in 1961 with the discovery that a niobium-tin alloy maintained its zero resistance under magnetic fields as high as 10 Tesla, far above the saturation point of iron. Alloys of this type, including niobium-titanium, are called Type II superconductors. When these alloys were properly fabricated into wire, they could sustain currents on the order of 10,000 amperes, thus opening the possibility of producing magnetic fields higher than any achieved before. In the 1960s Hulm took on more managerial and engineering duties. For the two years 1974 and 1975 on a leave of absence from Westinghouse, he was the science attaché at the U.S. Embassy in London. He returned to Westinghouse as manager of the Chemical Sciences Department. In the 1980s he was director of corporate research and R&D planning. He retired in 1988. In 1989 he accompanied Mildred Dresselhaus to Japan to evaluate that country’s superconductivity research. During his career he was the author or co-author of about 100 scientific papers. In 1948 Hulm married Joan Askham. Upon his death he was survived by his widow, four daughters, a son, and six grandchildren. (en)
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foaf:isPrimaryTopicOf	wikipedia-en:John_Kenneth_Hulm
is Link from a Wikipage to another Wikipage of	David Shoenberg John Price Wetherill Medal
is doctoral students of	David Shoenberg
is doctoral student of	David Shoenberg
is foaf:primaryTopic of	wikipedia-en:John_Kenneth_Hulm

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