About: Alfred O. C. Nier

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Alfred Otto Carl Nier (May 28, 1911 – May 16, 1994) was an American physicist who pioneered the development of mass spectrometry. He was the first to use mass spectrometry to isolate uranium-235 which was used to demonstrate that 235U could undergo fission and developed the sector mass spectrometer configuration now known as Nier-Johnson geometry.

Attributes	Values
rdf:type	Thing foaf:Person person dul:NaturalPerson Eukaryote Person Human Animal yago:WikicatAmericanPeople yago:WikicatAmericanPhysicists animal eukaryote scientist species schema:Person yago:WikicatManhattanProjectPeople Scientist yago:Associate109816771 yago:CausalAgent100007347 yago:Colleague109935990 yago:LivingThing100004258 yago:Object100002684 yago:Organism100004475 yago:Peer109626238 yago:Person100007846 yago:PhysicalEntity100001930 yago:Physicist110428004 yago:WikicatHarvardFellows yago:YagoLegalActor yago:YagoLegalActorGeo yago:Scientist110560637 yago:Whole100003553 yago:Wikicat20th-centuryPhysicists umbel-rc:Scientist
rdfs:label	Alfred Nier (de) Alfred O. C. Nier (en) Alfred Nier (es) Alfred Otto Carl Nier (it) 앨프리드 니어 (ko) Alfred Nier (nl) Alfred O.C. Nier (sv)
rdfs:comment	Alfred Otto Carl Nier (May 28, 1911 – May 16, 1994) was an American physicist who pioneered the development of mass spectrometry. He was the first to use mass spectrometry to isolate uranium-235 which was used to demonstrate that 235U could undergo fission and developed the sector mass spectrometer configuration now known as Nier-Johnson geometry. (en) Alfred Otto Carl Nier (* 28. Mai 1911 in Saint Paul, Minnesota; † 16. Mai 1994 in Minneapolis) war ein US-amerikanischer Physiker. Er lieferte Pionierarbeiten auf dem Gebiet der Massenspektrometrie. (de) Alfred Carl Otto Nier (28 de mayo de 1911 - 16 de mayo de 1994) fue un físico norteamericano pionero en el desarrollo de la espectrometría de masas, utilizado de manera innovadora para poder establecer resultados científicos notables. (es) 앨프리드 오토 칼 니어(Alfred Otto Carl Nier, 1911년 5월 28일 ~ 1994년 5월 16일)는 질량분석기를 이용하여 처음으로 우라늄-235를 분리하는 데 성공한 미국의 물리학자이다. (ko) Alfred Otto Carl Nier (Saint Paul (Minnesota), 28 mei 1911 – Minneapolis, 16 mei 1994) was een Amerikaans natuurkundige die de massaspectrometrie aanzienlijk verbeterde en de techniek toepaste bij onderzoek naar kernsplijting, astrofysica, en geochronologie. (nl) Alfred Otto Carl Nier, född 28 maj 1911 i St. Paul, Minnesota, USA, död 16 maj 1994 i Minneapolis, var en amerikansk fysiker, som innehade Regent's-professuren i fysik vid University of Minnesota. Han banade väg för utvecklingen av masspektrometri och var den förste att använda masspektrometri för att isolera uran-235. Han använde den för att visa att 235U kunde genomgå fission och utvecklade sektorns masspektrometerkonfiguration nu känd som Nier-Johnson-geometri. Nier invaldes 1980 som utländsk ledamot av svenska Vetenskapsakademien. (sv) Alfred Otto Carl Nier (Saint Paul, 28 maggio 1911 – Minneapolis, 16 maggio 1994) è stato un fisico statunitense, pioniere nello sviluppo della spettrometria di massa. Studiò all'Università del Minnesota e si laureò in ingegneria elettrica nel 1931; dopo la laurea fece degli studi di fisica, dove iniziò a interessarsi di spettrometria di massa.Nel 1936 entrò alla Harvard University e vi rimase fino al 1938 facendo studi sugli isotopi dell'uranio.Nel 1940, su richiesta di Enrico Fermi e studenti, preparò un campione di uranio 235 puro.Dal 1943 al 1945 lavorò a New York per la allo sviluppo di spettrometri di massa per il progetto Manhattan.Dopo la guerra tornò nel Minnesota e fece studi sulla geocronologia, atmosfera, gas nobili, scienze dello spazio.Disegnò lo spettrometro miniaturizzato d (it)
foaf:depiction
birth place	St. Paul, Minnesota
death place	Minneapolis
death place	Minneapolis, Minnesota (en)
death date	1994-05-16 (xsd:date)
birth place	St. Paul, Minnesota
birth date	1911-05-28 (xsd:date)
dct:subject	1911 births 1994 deaths 20th-century American physicists Fellows of the American Physical Society Manhattan Project people Mass spectrometrists Members of the United States National Academy of Sciences Members of the Royal Swedish Academy of Sciences University of Minnesota College of Science and Engineering alumni Harvard Fellows Thomson Medal recipients
Wikipage page ID	891446 (xsd:integer)
Wikipage revision ID	1117469433 (xsd:integer)
Link from a Wikipage to another Wikipage	Science John R. Dunning List of craters on Mars University of Minnesota Uranium-235 Uranium-238 Viking program Mass spectrometry William Bowie Medal Columbia University Mathematics Max Planck Society Geochronology Nier Prize Noble gas Sector mass spectrometer Electrical engineering Enrico Fermi Germany Minneapolis Manhattan Project Silicon nitride Fritz Houtermans Journal of Chemical Education Paralysis Physics 1911 births 1994 deaths 20th-century American physicists Fellows of the American Physical Society Manhattan Project people

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