阿诺德·奥威尔·贝克曼

（Arnold Orville Beckman，5月18日）是一位美国化学家、发明家、电气工程师和商人，毕业于加州理工学院，导师罗斯科·G·迪金森，后留校任教。1934年贝克曼发明了pH计，次年以此专利建立了贝克曼库尔特公司的前身。

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**外部链接**
  Beckman Coulter date=20230921013253  company website-  Arnold and Mabel Beckman Foundation date=20230928113730  philanthropic foundation website-  Arnold O. Beckman Legacy Project date=20230523023355 , Science History Institute, including a trailer for The Instrumental Chemist: The Incredible Curiosity of Arnold O. Beckman - cite book|last1=Jaehnig|first1=Kenton G.|title=Finding Aid to the Beckman historical collection, 1911–2011 (bulk 1934–2004)|url=https://othmerlib.sciencehistory.org/record=b1072260~S5|website=Science History Institute|oclc=899243886|quote=Links on landing page go to full documents.|access-date=6 February 2018|archive-date=2023-04-20|archive-url=https://web.archive.org/web/20230420020403/https://othmerlib.sciencehistory.org/record=b1072260~S5|dead-url=no- cite web |author=Center for Oral History |title=Arnold O. Beckman (Part A) |url=https://oh.sciencehistory.org/oral-histories/beckman-arnold-o |publisher=Science History Institute |access-date=2023-04-20 |archive-date=2019-07-18 |archive-url=https://web.archive.org/web/20190718031505/https://oh.sciencehistory.org/oral-histories/beckman-arnold-o |dead-url=no - cite book|first1=Jeffrey L.|last1=Sturchio|first2=Arnold|last2=Thackray|title=Arnold O. Beckman, Transcript of an Interview Conducted by Jeffrey L. Sturchio and Arnold Thackray at the University of Pennsylvania on 23 April 1985 (0014A)|date=23 April 1985|url=https://oh.sciencehistory.org/sites/default/files/beckman_ao_0014a_suppl.pdf|place=Philadelphia, PA|publisher=Center for History of Chemistry|access-date=2023-04-20|archive-date=2021-01-27|archive-url=https://web.archive.org/web/20210127121754/https://oh.sciencehistory.org/sites/default/files/beckman_ao_0014a_suppl.pdf|dead-url=no- cite web |author=Center for Oral History |title=Arnold O. Beckman (Part B) |url=https://oh.sciencehistory.org/oral-histories/beckman-arnold-o-0 |publisher=Science History Institute |access-date=2023-04-20 |archive-date=2019-07-18 |archive-url=https://web.archive.org/web/20190718031526/https://oh.sciencehistory.org/oral-histories/beckman-arnold-o-0 |dead-url=no - cite book|first1=Jeffrey L.|last1=Sturchio|first2=Arnold|last2=Thackray|title=Arnold O. Beckman, Transcript of an Interview Conducted by Jeffrey L. Sturchio and Arnold Thackray at the University of Pennsylvania on 23 July 1985 (0014B)|date=23 July 1985|url=https://oh.sciencehistory.org/sites/default/files/beckman_ao_0014b_suppl.pdf|place=Philadelphia, PA|publisher=Center for History of Chemistry|access-date=2023-04-20|archive-date=2021-01-27|archive-url=https://web.archive.org/web/20210127135930/https://oh.sciencehistory.org/sites/default/files/beckman_ao_0014b_suppl.pdf|dead-url=no-  Chemical Descent Tree for Arnold Orville Beckman date=20151229160024  from the  Chemical Genealogy Database date=20180919124124  of the University of Illinois Urbana-Champaign Department of Chemistry-  Arnold O. Beckman High School website-  Beckman Historical Collection Science History Institute  Digital Collections (Digitized corporate records of Beckman Coulter, Incorporated, as well as personal papers of American scientist and industrialist Arnold Orville Beckman)-  Guide to the Arnold O. Beckman Papers date=20230602152237  Caltech Archives, California Institute of Technology-  Interview with Arnold O. Beckman date=20080705135541  Caltech Oral Histories