- Willem Hendrik Keesom
Infobox Scientist
name = Willem Hendrik Keesom
birth_date =June 21 ,1876
birth_place =Texel
death_date =March 24 1956
death_place =Leiden
residence =
citizenship =
nationality = Dutch
ethnicity =
field =physics
work_institutions =
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doctoral_advisor =Heike Kamerlingh Onnes
doctoral_students =
known_for =helium
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author_abbrev_zoo =
influences =
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Willem Hendrik Keesom (June 21 ,1876 ,Texel –March 24 1956 ,Leiden ) was a Dutchphysicist who, in 1926, invented a method to freeze liquidhelium .He also developed the first mathematical description of dipole-dipole interactions in 1921. Thus, dipole-dipole interactions are also known as Keesom interactions.He was previously a student ofHeike Kamerlingh Onnes , who had discoveredsuperconductivity (a feat for which Kamerlingh Onnes received aNobel Prize ).ee also
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Timeline of low-temperature technology External links
* Albert van Helden, [http://www.historyofscience.nl/author.cfm?RecordId=260 "Willem Hendrik Keesom 1876 – 1956"] , In: K. van Berkel, A. van Helden and L. Palm ed., A History of Science in the Netherlands. Survey, Themes and Reference (Leiden: Brill, 1999) 498-500.
* Scientists of the Dutch School: [http://www.knaw.nl/waals/keesom.html "Willem Hendrik Keesom"] @ Royal Netherlands Academy of Arts and Sciences.
* P.H. van Laer, [http://www.inghist.nl/Onderzoek/Projecten/BWN/lemmata/bwn1/keesom "Keesom, Wilhelmus Hendrikus (1876-1956)"] , in Biografisch Woordenboek van Nederland.
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