阿諾德·奧威爾·貝克曼（英語：Arnold Orville Beckman，1900年4月10日—2004年5月18日）是一位美國化學家、發明家、電氣工程師和商人，畢業於加州理工學院，導師羅斯科·G·迪金森，後留校任教。1934年貝克曼發明了pH計，次年以此專利建立了貝克曼庫爾特公司的前身[1]。
Gallwas, Jerry. People: Arnold Orville Beckman (1900–2004). Analytical Chemistry. 2004, 76 (15): 264 A–265 A. doi:10.1021/ac041608j 
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- Beckman Coulter （頁面存檔備份，存於網際網路檔案館） company website
- Arnold and Mabel Beckman Foundation （頁面存檔備份，存於網際網路檔案館） philanthropic foundation website
- Arnold O. Beckman Legacy Project （頁面存檔備份，存於網際網路檔案館）, Science History Institute, including a trailer for The Instrumental Chemist: The Incredible Curiosity of Arnold O. Beckman
- Jaehnig, Kenton G. Finding Aid to the Beckman historical collection, 1911–2011 (bulk 1934–2004). Science History Institute. [6 February 2018]. OCLC 899243886. （原始內容存檔於2023-04-20）.
Links on landing page go to full documents.
- Center for Oral History. Arnold O. Beckman (Part A). Science History Institute. [2023-04-20]. （原始內容存檔於2019-07-18）.
- Sturchio, Jeffrey L.; Thackray, Arnold. 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) (PDF). Philadelphia, PA: Center for History of Chemistry. 23 April 1985 [2023-04-20]. （原始內容存檔 (PDF)於2021-01-27）.
- Center for Oral History. Arnold O. Beckman (Part B). Science History Institute. [2023-04-20]. （原始內容存檔於2019-07-18）.
- Sturchio, Jeffrey L.; Thackray, Arnold. 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) (PDF). Philadelphia, PA: Center for History of Chemistry. 23 July 1985 [2023-04-20]. （原始內容存檔 (PDF)於2021-01-27）.
- Chemical Descent Tree for Arnold Orville Beckman （頁面存檔備份，存於網際網路檔案館） from the Chemical Genealogy Database （頁面存檔備份，存於網際網路檔案館） 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 （頁面存檔備份，存於網際網路檔案館） Caltech Archives, California Institute of Technology
- Interview with Arnold O. Beckman （頁面存檔備份，存於網際網路檔案館） Caltech Oral Histories
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